Acritarchs from the Middle and Upper Ordovician of Estonia and their stratigraphic implicationsRaevskaja, Elena; Hints, Olle13th International Symposium on the Ordovician System : Novosibirsk, Russia (July 19-22, 2019) : contributions2019 / p. 165-168 : ill http://www.igcp653.org/wp-content/uploads/2019/07/ISOS13Proceedings.pdf

Alpha, beta and gamma diversity controls on Ordovician-Silurian brachiopods of the Baltic BasinsKröger, Björn; Penny, A.; Hints, Olle13th International Symposium on the Ordovician System : Novosibirsk, Russia (July 19-22, 2019) : contributions2019 / p. 107 http://www.igcp653.org/wp-content/uploads/2019/07/ISOS13Proceedings.pdf

Application of carbon isotopes to the study of the Ordovician and Silurian of the BalticMartma, Tõnu2006 https://digi.lib.ttu.ee/i/?107 https://www.ester.ee/record=b2209327*est

Assessing the quality of Baltoscandian chitinozoan biozones using quantitative stratigraphy [Online resource]Hints, Olle; Antonovitš, Liina; Nõlvak, Jaak; Liang, YanTrekking Across the GOBE : From the Cambrian through the Katian, June 3-7, 2018 : program & abstracts2018 / p. 39 https://igcp653athens2018.files.wordpress.com/2018/05/conference-programabstracts-sm1.pdf

Bioerosion of inorganic hard substrates in the Silurian of Estonia (Baltica)Vinn, Olev; Toom, UrsulaGFF2016 / p. 306-310 : ill https://doi.org/10.1080/11035897.2015.1076513

Carbon isotopic compostion of Ordovician carbonates in Baltoscandia : shallow marine facies shifting the δ13Ccarb values in different waysAinsaar, Leho; Meidla, Tõnu; Hints, Olle13th International Symposium on the Ordovician System : Novosibirsk, Russia (July 19-22, 2019) : contributions2019 / p. 7-8 http://www.igcp653.org/wp-content/uploads/2019/07/ISOS13Proceedings.pdf

Carbon neutral Baltic Sea region by 2050 : myth or reality?Šogenova, Alla; Nordbäck, Nicklas; Sopher, Daniel; Šogenov, Kazbulat; Ivask, JüriProceedings of the 15th Greenhouse Gas Control Technologies Conference 15-18 March 20212021 / 12 p. : ill https://doi.org/10.2139/ssrn.3817722 https://ssrn.com/abstract=3817722

Carbonate shelf development and early Paleozoic benthic diversity in Baltica : a hierarchical diversity partitioning approach using brachiopod dataPenny, Amelia; Hints, Olle; Kröger, BjörnPaleobiology2022 / p. 44-64 https://doi.org/10.1017/pab.2021.3 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Chitinozoan biostratigraphy in the Ordovician of BaltoscandiaNõlvak, Jaak2002 http://www.ester.ee/record=b1035650*est

Clarifying Haljala Stage in EstoniaPaiste, Tõnn; Meidla, Tõnu; Männik, Peep; Nõlvak, Jaak13th International Symposium on the Ordovician System, July 19-22, 20192019 / p. 149–150 http://www.igcp653.org/wp-content/uploads/2019/07/ISOS13Proceedings.pdf

Climate changes in the pre-Hirnantian late Ordovician based on δ18Ophos studies from EstoniaMännik, Peep; Lehnert, Oliver; Nõlvak, Jaak; Joachimski, Michael M.Palaeogeography, palaeoclimatology, palaeoecology2021 / p. 110347, 16 p. : ill https://doi.org/10.1016/j.palaeo.2021.110347 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Conch structures, soft-tissue imprints and taphonomy of the Middle Ordovician cephalopod Tragoceras falcatum from EstoniaPohle, Alexander; Klug, Christian; Toom, Ursula; Kröger, BjörnFossil Imprint2019 / p. 70-78 : ill https://doi.org/10.2478/if-2019-0006 Journal metrics at Scopus Article at Scopus

A CONOP9 quantitative stratigraphic model of Baltic Ordovician and Silurian chitinozoan distribution and K-bentonitesAntonovitš, Liina; Nestor, Viiu-Kai; Nõlvak, Jaak; Bauert, Garmen; Hints, Olle; Kiipli, TarmoStratigraphy2015 / p. 91-92

Correlation of the Middle and Upper Ordovician rocks of Baltoscandia using CONOP9: preliminary resultsGoldman, D.; Klosterman, S.L.; Nõlvak, Jaak; Sheets, H.D.; Miller, G.C.The Seventh Baltic Stratigraphical Conference : 17-18 May 2008, Tallinn, Estonia : abstracts & field guide2008 / p. 21

Corroded hydrothermal quartz in Ordovician altered volcanic ash beds of the Baltoscandian RegionKiipli, Tarmo; Kallaste, Toivo; Kleesment, Anne-Liis; Nielsen, Arne T.Estonian journal of earth sciences2009 / 4, p. 268-272 : ill https://artiklid.elnet.ee/record=b1944231*est

Cryptic secondary cementation of Ordovician limestones in the Baltoscandian Basin, northern Europe, revealed through trace-element mapping and U-Pb dating by LA-ICP-MSHagen-Peter, Graham; Wang, Yue; Hints, Olle; Lepland, AivoEGU General Assembly 20212021 / art. EGU21-12547 https://doi.org/10.5194/egusphere-egu21-12547

Distribution of phosphorus in the Middle and Upper Ordovician Baltoscandian carbonate palaeobasinKiipli, Enli; Kiipli, Tarmo; Kallaste, Toivo; Ainsaar, LehoEstonian journal of earth sciences2010 / 4, p. 247-255 https://artiklid.elnet.ee/record=b2183573*est

Distribution of proetid trilobites in BaltoscandiaPopp, Adrian; Pärnaste, HeljeThe Seventh Baltic Stratigraphical Conference : 17-18 May 2008, Tallinn, Estonia : abstracts & field guide2008 / p. 52

Distribution of the Proetida (Trilobita) in Baltoscandian Ordovician strataPärnaste, Helje; Popp, Adrian; Owens, Robert M.Estonian journal of earth sciences2009 / 1, p. 10-23 : ill https://artiklid.elnet.ee/record=b1205583*est

Dolocretes in the uppermost Famennian to Mississippian siliciclastic deposits (Šķervelis Formation, Latvia)Pipira, Daiga; Keipane, Lauma; Stinkulis, Girts; Vircava, Ilze; Martma, TõnuEstonian journal of earth sciences2023 / p. 211-225 https://doi.org/10.3176/earth.2023.86

Early and early Middle Ordovician chitinozoans from the Baldone drill core, central LatviaNõlvak, Jaak; Liang, Yan; Hints, OlleEstonian journal of earth sciences2022 / p. 25-43 : ill https://doi.org/10.3176/earth.2022.03 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Early diversification of Ordovician chitinozoans on Baltica : New data from the Jägala waterfall section, northern EstoniaNõlvak, Jaak; Liang, Yan; Hints, OllePalaeogeography, palaeoclimatology, palaeoecology2019 / p. 14-24 : ill https://doi.org/10.1016/j.palaeo.2019.04.002 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Effects of early marine diagenesis and site-specific depositional controls on carbonate-associated sulfate: Insights from paired S and O isotopic analysesRichardson, Jocelyn A.; Lepland, Aivo; Hints, Olle; Prave, Anthony R.; Gilhooly III, William P.; Bradley, Alexander S.; Fike, David AChemical geology2021 / art. 120525 https://doi.org/10.1016/j.chemgeo.2021.120525 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Geochemistry of Late Ordovician (Sandbian) volcanism at the south-western margin of the Baltica Plate - using Nb, Zr and Ti for tectono-magmatic interpretation of bentonitesKiipli, Tarmo; Hints, Rutt; Kallaste, Toivo; Nielsen, Arne T.; Pajusaar, Siim; Schovsbo, Niels H.10th Baltic Stratigraphic Conference : Checiny, 12-14 September 2017 : abstracts and field guide2017 / p. 43-44 : ill http://geo.uw.edu.pl/tl_files/publikacje/10th_Baltic_Stratigraphic_Conference_Abstracts_and_Field_Guide.pdf

Glendonite occurrences in the Tremadocian of Baltica : first Early Palaeozoic evidence of massive Ikaite precipitation at temperate latitudesPopov, Leonid E.; Alvaro, J. Javier; Holmer, Lars E.; Bauert, Heikki; Hints, Olle; Männik, Peep13th International Symposium on the Ordovician System : Novosibirsk, Russia (July 19-22, 2019) : contributions2019 / p. 161-162 http://www.igcp653.org/wp-content/uploads/2019/07/ISOS13Proceedings.pdf

Groundwater flow history in the Baltic Artesian Basin (BAB) Synthesis of numerical models and hydrogeochemical dataVaikmäe, ReinEuropean Society for Isotope Research Isotope Workshop XV, Lublin, Poland, June 23-27, 2019 : book of abstracts2019 / p. 23-25 : ill https://esir.org.pl/2019/ESIR2019_big.pdf

Groundwater residence time and paleohydrology in the Baltic Artesian basin:isotope geochemical dataVaikmäe, Rein; Gerber, C.; Purtschert, Roland; Aeschbach-Hertig, Werner; Raidla, ValleAGU Fall Meeting 2016 : San Francisco, California, 12-16 December 20162016 / p. H43E-1491

High-resolution stratigraphic correlation and biodiversity dynamics of Middle and Late Ordovician marine fossils from Baltoscandia and PolandGoldman, Daniel; Sheets, H. David; Bergström, Stig M.; Nõlvak, Jaak; Podhalanska, TeresaGeoTirol 2016 : Annual Meeting DGGV, 25-28 September 2016, Innsbruck, Austria : abstract volume2016 / p. 87 https://www.uibk.ac.at/geologie/geotirol2016-pangeo/images/abstractvolume.pdf

High-resolution trilobite stratigraphy of the Lower–Middle Ordovician Öland Series of BaltoscandiaPärnaste, Helje; Bergström, Jan; Zhiyi, ZhouGeological magazine2012 / p. 1-10 : ill https://pubs.geoscienceworld.org/geolmag/article-abstract/150/3/509/299539/High-resolution-trilobite-stratigraphy-of-the

Hirnantian (Late Ordovician) brachiopod faunas across Baltoscandia : a global and regional contextHarper, David A. T.; Hints, LindaPalaeogeography, palaeoclimatology, palaeoecology2016 / p. 71-83 http://dx.doi.org/10.1016/j.palaeo.2015.11.044

Hirnantian sea-level changes in the Baltoscandian Basin, a reviewKiipli, Enli; Kiipli, TarmoPalaeogeography, palaeoclimatology, palaeoecology2020 / art. 109524, 13 p. : ill https://doi.org/10.1016/j.palaeo.2019.109524 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Hoovused ja settekivimid Ordoviitsiumi ja Vara-Siluri Balti basseinisKiipli, Enli; Kallaste, Toivo; Kiipli, TarmoTeadusmõte Eestis (VI). Elu- ja maateadused : [artiklikogumik]2011 / lk. 145-149 : ill

Immobile and mobile elements during the transition of volcanic ash to bentonite - an example from the early Palaeozoic sedimentary section of the Baltic BasinKiipli, Tarmo; Hints, Rutt; Kallaste, Toivo; Verš, Evelin; Voolma, MargusSedimentary geology2017 / p. 148-159 : ill https://doi.org/10.1016/j.sedgeo.2016.11.009

Internal geochemical stratification of bentonites (altered volcanic ash beds) and its interpretation = Bentoniitide (muutunud vulkaanituhkade) geokeemiline isestratifikatsioon ja selle interpretatsioonSiir, Sven2015

Late diagenetic evolution of Ordovician limestones in the Baltoscandian basin revealed through trace-element mapping and in situ U–Pb dating of calciteHagen-Peter, Graham; Wang, Yue; Hints, Olle; Prave, Anthony R.; Lepland, AivoChemical geology2021 / art. 120563 https://doi.org/10.1016/j.chemgeo.2021.120563 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Late Ordovician karst valleys, caves, and breccias of Baltoscandia - a mirror of glacioeustatic sea level changes on a subtropical carbonate shelfLehnert, Oliver; Männik, Peep; Nõlvak, Jaak; Kröger, Björn; Joachimski, Michael M.; Calner, Mikael; Bauert, Heikki; Schmid, RebekkaFossils : Key to evolution, stratigraphy and palaeoenvironments : 87th Annual Conference of the Paläontologische Gesellschaf e. V. : Dresden, September 11-15, 2016 : programme, abstracts, field trip guides2016 / p. 91-92 http://www.palges.de/fileadmin/pdf/Tagung_2016/PalGesDresden_programme_abstracts.pdf

Late Pleistocene and Holocene groundwater flow history in the Baltic Artesian Basin : a synthesis of numerical models and hydrogeochemical dataVaikmäe, Rein; Pärn, Joonas; Raidla, Valle; Ivask, Jüri; Kaup, Enn; Martma, TõnuEstonian journal of earth sciences2021 / p. 152-164 : ill https://doi.org/10.3176/earth.2021.11 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Latest Ordovician to early Silurian integrated bio-and chemostratigraphy in northern Lithuania, central East BalticHints, Olle; Ainsaar, Leho; Lepland, Aivo; Männik, Peep; Meidla, Tõnu; Nõlvak, Jaak; Radzevičius, SigitasLille 2021 : Ordovician of the World : programme with abstracts2021 / p. 40-41 https://docplayer.net/219093593-Programme-with-abstracts-2021-virtual-annual-meeting-of-igcp-virtual-annual-meeting-of-igcp-735.html

Links between bioerosion and oversized benthic fossils : insights from the Upper Ordovician of Estonia, BalticaToom, Ursula; Isakar, Mare; Vinn, Olev; Hints, OlleLille 2021 : Ordovician of the World : programme with abstracts2021 / p. 76-77 https://docplayer.net/219093593-Programme-with-abstracts-2021-virtual-annual-meeting-of-igcp-virtual-annual-meeting-of-igcp-735.html

Mean grain size fluctuations of the siliciclastic component in the Aizpute-41 core : implication for end-Ordovician glaciationKiipli, Enli; Siir, Sven; Kallaste, Toivo; Kiipli, TarmoEstonian journal of earth sciences2014 / p. 257-263 : ill https://artiklid.elnet.ee/record=b2705898*est

Middle and Upper Ordovician carbon isotope stratigraphy in Baltoscandia: towards a regional chemostratigraphic standardAinsaar, Leho; Kaljo, Dimitri; Martma, Tõnu; Meidla, TõnuThe Seventh Baltic Stratigraphical Conference : 17-18 May 2008, Tallinn, Estonia : abstracts & field guide2008 / p. 9

Mid-Llandovery volcanism recorded in the Baltic Basin – correlation of bentonites and tectono-magmatic interpretation of volcanic sourcesKiipli, TarmoResearchGate2021 / 13 p. : ill https://doi.org/10.13140/RG.2.2.20438.16967

New bioclaustration in trepostome bryozoans from the Late Ordovician (Sandbian) of EstoniaVinn, Olev; Ernst, Andrej; Wilson, Mark A.; Toom, UrsulaLille 2021 : Ordovician of the World : programme with abstracts2021 / p. 78 https://docplayer.net/219093593-Programme-with-abstracts-2021-virtual-annual-meeting-of-igcp-virtual-annual-meeting-of-igcp-735.html

New biostratigraphically important chitinozoans from the Kukruse Regional Stage, Upper Ordovician of BaltoscandiaNõlvak, Jaak; Bauert, GarmenEstonian journal of earth sciences2015 / p. 218-224 : ill https://artiklid.elnet.ee/record=b2739527*est

Ordovician and Silurian trace fossils of Estonia = Ordoviitsiumi ja Siluri ajastu jäljekivistised EestisToom, Ursula2019 https://digikogu.taltech.ee/et/Item/e8c71b8a-d696-4ef1-aa09-70f6543a5e6f

Ordovician proetid trilobites in Baltoscandia and Germany = Baltoscandia ja Saksamaa Ordoviitsiumi proetiidsed trilobiididPopp, Adrian2011

Ordovician reef and mound evolution: the Baltoscandian pictureKröger, Björn; Hints, Linda; Lehnert, OliverGeological magazine2017 / p. 683-706 : ill https://doi.org/10.1017/S0016756816000303

Origin and geochemical evolution of palaeogroundwater in the northern part of the Baltic artesian basin = Paleopõhjavete päritolu ja geokeemiline areng Balti arteesiabasseini põhjaosasPärn, Joonas2018 https://digi.lib.ttu.ee/i/?10917

Oxygen isotope compositions of conodonts – analytical challenges of in situ SIMS studiesWudarska, Alicja; Wiedenbeck, Michael; Hints, Olle; Männik, Peep; Lepland, Aivo; Joachimski, Michael M.; Couffignal, Frederic; Scicchitano, Maria Rosa; Wilke, Franziska D. H.Estonian journal of earth sciences2023 / p. 166 https://doi.org/10.3176/earth.2023.39

Paired carbonate and organic carbon isotope records from the
Ordovician of Estonia: Local, regional or global drivers?Hints, Olle; Lepland, Aivo; Liiv, Merlin; Meidla, Tõnu; Ainsaar, LehoZooming in on the GOBE : 2020 virtual annual meeting of IGCP 653 : International Geoscience Programme Project 653 : The onset of the Great Ordovician Biodiversification Event, September 7-10, 2020 : Abstracts2020 / p. 24 "Programme"

Paired organic and carbonate carbon isotope records through the Middle and Upper Ordovician of EstoniaHints, Olle; Kaljo, Dimitri; Lepland, Aivo; Liiv, Merlin; Martma, Tõnu; Ainsaar, Leho13th International Symposium on the Ordovician System : Novosibirsk, Russia (July 19-22, 2019) : contributions2019 / p. 75-77 http://www.igcp653.org/wp-content/uploads/2019/07/ISOS13Proceedings.pdf

Palaeoecological reconstruction of late-glacial vegetation dynamics in Eastern Baltic Area : a view based on plant macrofossil analysis = Hilisjääaegsed taimkattemuutused Ida-Baltikumis taimsete makrojäänuste analüüsi põhjalAmon, Leeli2011 http://www.ester.ee/record=b2723506*est

Palynomorph optical analyses for thermal maturity assessment of upper ordovician (Katian-Hirnantian) rocks from Southern EstoniaSorci, Andrea; Cirilli, Simonetta; Clayton, Geoff; Corrado, Sveva; Hints, Olle; Goodhue, Robbie; Schito, Andrea; Spina, AmaliaMarine and Petroleum Geology2020 / art. 104574 https://doi.org/10.1016/j.marpetgeo.2020.104574 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Petroleum source rock evaluation of the Alum and Dictyonema Shales (Upper Cambrian-Lower Ordovician) in the Baltic Basin and Podlasie Depression (eastern Poland)Kosakowski, Pawel; Kotarba, Maciej J.; Piestrzynski, Adam; Šogenova, Alla; Wieclaw, DariuszInternational journal of earth sciences2017 / p. 743-761 : ill https://doi.org/10.1007/s00531-016-1328-x

Petrophysical models of the CO2 plume at prospective storage sites in the Baltic Basin = CO2 voo petrofüüsikalised mudelid Balti basseini perspektiivsetes ladustamiskohtadesŠogenov, Kazbulat2015

Possible metazoan egg fossils from the Darriwilian (Middle Ordovician) of BaltoscandiaHints, Olle; Nõlvak, Jaak; Liang, YanEstonian journal of earth sciences2021 / p. 240-252 : ill https://doi.org/10.3176/earth.2021.16 Journal metrics at Scopus Article at Scopus

Recent advances in the Ordovician stratigraphy of the Baltic Palaeobasin and Tornquist margin of BalticaMeidla, Tõnu; Ainsaar, Leho; Hints, Olle; Radzevičius, SigitasEstonian journal of earth sciences2023 / p. 149 https://doi.org/10.3176/earth.2023.54

Reservoir quality and petrophysical properties of Cambrian sandstones and their changes during the experimental modelling of CO2 storage in the Baltic BasinŠogenov, Kazbulat; Šogenova, Alla; Vizika-Kavvadias, Olga; Nauroy, Jean-FrancoisEstonian journal of earth sciences2015 / p. 199-217 : ill https://artiklid.elnet.ee/record=b2739504*est

Sandbian (Late Ordovician) conodonts in Estonia : distribution and biostratigraphyPaiste, Tõnn; Männik, Peep; Meidla, TõnuGFF2022 / p. 9-23 : ill https://doi.org/10.1080/11035897.2021.2020333 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Silurian (Llandovery-Wenlock) tabulate corals of Baltoscandia: taxonomy, palaeoecology, distributionMõtus, Mari-Ann2005

Stratigraphy and facies differences of the Middle Darriwilian Isotopic Carbon Excursion (MDICE) in BaltoscandiaAinsaar, Leho; Tinn, Oive; Dronov, Andrei V.; Kiipli, Enli; Radzevičius, Sigitas; Meidla, TõnuEstonian journal of earth sciences2020 / p. 214–222 https://doi.org/10.3176/earth.2020.16 http://www.ester.ee/record=b2246661*est Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Tectono-magmatic interpretation of the Ordovician and Silurian volcanism in the eastern region of the Iapetus Palaeo-Ocean : review from the volcanic record in the Baltic sedimentary basinKiipli, TarmoResearchGate2022 / 21 p. : ill https://doi.org/10.13140/RG.2.2.24656.79368

The Baltic Basin : structure, properties of reservoir rocks, and capacity for geological storage of CO2Šogenova, Alla; Sliaupa, Saulius; Vaher, Rein; Šogenov, Kazbulat; Pomeranceva, RaisaEstonian journal of earth sciences2009 / 4, p. 259-267 : ill https://artiklid.elnet.ee/record=b1944227*est

The Hirnantian (Late Ordovician) brachiopod fauna of the East Baltic : taxonomy of the key speciesHints, Linda; Harper, David A. T.Acta palaeontologica polonica2015 / p. 395-420 : ill http://dx.doi.org/10.4202/app.2013.0010

The intrusion of glacial melt-water and its influence on the geochemical evolution of groundwater in the Ordovician-Cambrian aquifer system in the northern part of the Baltic Artesian Basin (Estonia) [Online resource]Pärn, Joonas; Raidla, Valle; Vaikmäe, Rein; Martma, Tõnu; Ivask, Jüri; Kaup, Enn; Mokrik, RobertInternational Symposium on Isotope Hydrology : Revisiting Foundations and Exploring Frontiers : 11-15 May 2015, Vienna, Austria : book of extended synopses : poster session 12015 / p. 39-40

The recharge of glacial meltwater and its influence on the geochemical evolution of groundwater in the Ordovician-Cambrian aquifer system, northern part of the Baltic Artesian BasinPärn, Joonas; Raidla, Valle; Vaikmäe, Rein; Martma, Tõnu; Ivask, Jüri; Mokrik, Robert; Erg, KatrinApplied geochemistry2016 / p. 125-135 : ill https://doi.org/10.1016/j.apgeochem.2016.07.007

Towards a revised Sandbian conodont biozonation of BalticaPaiste, Tõnn; Männik, Peep; Stouge, Svend; Meidla, TõnuEstonian journal of earth sciences2023 / p. 153 https://doi.org/10.3176/earth.2023.07

Upper Sandbian and lower Katian δ13C chemostratigraphy in northern Baltoscandian basin reveals gaps and spatial heterogeneity in carbon isotope compositionHints, Olle; Bauert, Heikki; Martma, Tõnu; Bauert, GarmenIGCP 591 : The Early to Middle Paleozoic Revolution : Closing Meeting, Ghent University, Belgium, 6-9 July 2016 : abstracts2016 / p. 108

WOGOGOB-2004 : 8th Meeting of the Working Group on the Ordovician Geology of Baltoscandia : May 13-18, 2004, Tallinn and Tartu, Estonia : conference materials : abstracts and field guidebookHints, Olle; Ainsaar, Leho2004 https://www.ester.ee/record=b1919764*est

Volcanic record in late Telychian (Silurian) section of the Baltic Basin : search of sources in Scandinavian Caledonides and modeling of ash cloudsKiipli, TarmoResearchGate2022 / 13 p. : ill., map https://doi.org/10.13140/rg.2.2.33690.93120