• 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
• 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
• Estonian geological sections. Bulletin 3, Valga (10) drill core. /Eesti tugiläbilõiked. Bülletään 3, Valga (10) puursüdamik/ (50 lk, trükiarv 500) : [2001. a. lõpetatud töö referaat]Põldvere, Anne; Kleesment, Anne-Liis; Nõlvak, Jaak; Männik, Peep; Hints, Olle; Meidla, Tõnu; Kiipli, Tarmo; Kallaste, Toivo; Ainsaar, LehoEesti Geoloogiakeskuse aastaraamat 20012002 / lk. 78-79 https://artiklid.elnet.ee/record=b2287178*est
• Estonian geological sections. Bulletin 9. Männamaa (F-367) drill core / Eesti geoloogilised läbilõiked. Bülletään 9. Männamaa (F-367) puursüdamik / (55 lk, 1 CD, trükiarv 500)Põldvere, Anne; Aaloe, Aasa; Ainsaar, Leho; Kallaste, Toivo; Kiipli, Tarmo; Meidla, Tõnu; Mens, Kaisa; Niin, Mati; Nõlvak, Jaak; Orlova, Kiira; Suuroja, Kalle; Šogenova, Alla; Šogenov, Kazbulat; Tinn, Oive; Uutela, Anneli; Viira, ViiveEesti Geoloogiakeskuse aastaraamat 20082009 / lk. 71-72 : ill https://www.ester.ee/record=b1223619*est
• Geochemical reconstruction of the provenance, tectonic setting and paleoweathering of lower Paleozoic black shales from Northern EuropeOfili, Sylvester; Soesoo, Alvar; Panova, Elena G.; Hints, Rutt; Hade, Sigrid; Ainsaar, LehoMinerals2022 / art. 602 https://doi.org/10.3390/min12050602 https://www.scopus.com/sourceid/21100399705 https://www.scopus.com/record/display.uri?eid=2-s2.0-85129730644&origin=inward&txGid=70245f85b2661c63fd30c41f3ab53c4f https://jcr.clarivate.com/jcr-jp/journal-profile?journal=MINERALS-BASEL&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000801681700001
• Kalana quarryTinn, Oive; Kirsimäe, Kalle; Ainsaar, Leho; Männik, PeepXI Baltic Stratigraphical Conference : abstracts and field guide2024 / p. 71-76 : ill https://www.ester.ee/record=b5696260*est https://files.geocollections.info/d8d2f88a-4597-4509-8248-b72178cac2cd.pdf
• 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
• Lower and Middle Ordovician bio- and chemostratigraphy of the Aizpute-41 drill core, LatviaLieffroy, Thibaud; Ainsaar, Leho; Männik, Peep; Meidla, Tõnu; Nõlvak, Jaak; Hints, OlleXI Baltic Stratigraphical Conference : abstracts and field guide2024 / p. 22 https://www.ester.ee/record=b5696260*est https://files.geocollections.info/71c8154a-ede7-4a3a-9989-88de5c5848f6.pdf
• Microfossil response to the late Silurian Lau Event in the Bebirva-111 drill core, LithuaniaMännik, Reet; Ainsaar, Leho; Männik, Peep; Meidla, Tõnu; Radzevičius, Sigitas; Hints, OlleXI Baltic Stratigraphical Conference : abstracts and field guide2024 / p. 26 https://www.ester.ee/record=b5696260*est https://files.geocollections.info/a04739ce-19ee-406b-a2f8-7b7e299dd209.pdf
• 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
• Oleviku- ja tulevikumaavarade uuringud Eestis : RITA MAAREAinsaar, Leho; Menert, Anne; Lust, Enn; Tõnsuaadu, Kaia; Kirsimäe, KalleRiigikogu Toimetised2021 / lk. 69–78 : ill https://www.ester.ee/record=b1361123*est https://rito.riigikogu.ee/wordpress/wp-content/uploads/2021/12/RiTo-44.pdf
• On the integrated regional Ordovician correlation charts of Estonia, Latvia and LithuaniaMeidla, Tõnu; Ainsaar, Leho; Hints, Olle; Radzevičius, SigitasXI Baltic Stratigraphical Conference : abstracts and field guide2024 / p. 27 https://www.ester.ee/record=b5696260*est https://files.geocollections.info/e43a1c1e-5343-4356-afea-b40a758e7009.pdf
• Paired carbon isotope chemostratigraphy across the Ordovician–Silurian boundary in central East Baltic: Regional and global signaturesHints, Olle; Ainsaar, Leho; Lepland, Aivo; Liiv, Merlin; Männik, Peep; Meidla, Tõnu; Nõlvak, Jaak; Radzevičius, SigitasPalaeogeography, palaeoclimatology, palaeoecology2023 / art. 111640, 17 p. : ill https://doi.org/10.1016/j.palaeo.2023.111640 https://www.scopus.com/sourceid/13985 https://www.scopus.com/record/display.uri?eid=2-s2.0-85162226638&origin=inward&txGid=915186721a37e85b159e687a8dd011cc https://jcr.clarivate.com/jcr-jp/journal-profile?journal=PALAEOGEOGR%20PALAEOCL&year=2023 https://www.webofscience.com/wos/woscc/full-record/WOS:001056018200001
• 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 https://www.researchgate.net/publication/344172580_IGCP_653_2020_Virtual_Annual_Meeting_Zooming_in_on_the_GOBE_Abstracts_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
• 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
• Reconstruction of Phanerozoic climate using carbonate clumped isotopes and implications for the oxygen isotopic composition of seawaterThiagarajan, Nivedita; Lepland, Aivo; Ryb, Uri; Torsvik, Trond H.; Ainsaar, Leho; Hints, Olle; Eiler, JohnProceedings of the National Academy of Sciences of the United States of America2024 / art. e2400434121 : ill https://doi.org/10.1073/pnas.2400434121 https://www.scopus.com/sourceid/21121 https://www.scopus.com/record/display.uri?eid=2-s2.0-85203341924&origin=resultslist&sort=plf-f&src=s&sot=b&sdt=b&s=ALL%28%22Reconstruction+of+Phanerozoic+climate+using+carbonate+clumped+isotopes+and+implications+for+the+oxygen+isotopic+composition+of+seawater%22%29&sessionSearchId=2904932eb492bc478273bae0cf0a61de&relpos=0
• Reinu quarryHints, Olle; Ainsaar, Leho; Männik, Peep; Meidla, Tõnu; Nõlvak, Jaak; Toom, UrsulaXI Baltic Stratigraphical Conference : abstracts and field guide2025 / p. 145-150 : ill https://www.ester.ee/record=b5696260*est https://files.geocollections.info/1f99d548-322e-4f77-85a7-086886d28cca.pdf
• Sandbian-lower Katian conodont correlation of Baltoscandian BasinPaiste, Tõnn; Männik, Peep; Stouge, Svend; Ainsaar, Leho; Meidla, TõnuXI Baltic Stratigraphical Conference : abstracts and field guide2024 / p. 30 https://www.ester.ee/record=b5696260*est https://files.geocollections.info/690f8e32-1800-48f2-85e5-f07cea55ba08.pdf
• Searching for the Ordovician-Silurian boundary in Estonia, Latvia and LithuaniaMeidla, Tõnu; Hints, Olle; Ainsaar, LehoEstonian journal of earth sciences2023 / p. 70-73 : ill https://doi.org/10.3176/earth.2023.53 https://www.scopus.com/sourceid/6000195392 https://www.scopus.com/record/display.uri?eid=2-s2.0-85164578393&origin=inward&txGid=a0ed88b000a153b3718b3b718450f12a https://jcr.clarivate.com/jcr-jp/journal-profile?journal=EST%20J%20EARTH%20SCI&year=2023 https://www.webofscience.com/wos/woscc/full-record/WOS:001015399200003
• 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 https://www.scopus.com/sourceid/6000195392 https://www.scopus.com/record/display.uri?eid=2-s2.0-85096793903&origin=inward&txGid=ad4d728095f3b03d2f2045b5886725aa https://jcr.clarivate.com/jcr-jp/journal-profile?journal=EST%20J%20EARTH%20SCI&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000589880700005
• The Guttenberg carbon isotope excursion (GICE; Ordovician) in EstoniaBauert, Heikki; Hints, Olle; Bauert, Garmen; Nõlvak, Jaak; Ainsaar, Leho; Martma, Tõnu10th Baltic Stratigraphic Conference : Checiny, 12-14 September 2017 : abstracts and field guide2017 / p. 13-14 : ill http://geo.uw.edu.pl/tl_files/publikacje/10th_Baltic_Stratigraphic_Conference_Abstracts_and_Field_Guide.pdf
• The Ordovician system in EstoniaMeidla, Tõnu; Ainsaar, Leho; Hints, OlleXI Baltic Stratigraphical Conference : abstracts and field guide2024 / p. 54-59 : ill https://www.ester.ee/record=b5696260*est https://kirjandus.geoloogia.info/en/reference/49701
• The Ordovician System in EstoniaMeidla, Tõnu; Ainsaar, Leho; Hints, OlleThe Seventh Baltic Stratigraphical Conference : 17-18 May 2008, Tallinn, Estonia : abstracts & field guide2008 / p. 95-98 : ill
• The Seventh Baltic Stratigraphical Conference : 17-18 May 2008, Tallinn, Estonia : abstracts & field guideHints, Olle; Ainsaar, Leho; Männik, Peep; Meidla, Tõnu2008 https://www.ester.ee/record=b2370001*est
• 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
• Ülevaade. Oleviku- ja tulevikumaavarade uuringud Eestis [Võrguväljaanne]Ainsaar, Leho; Menert, Anne; Lust, Enn; Tõnsuaadu, Kaia; Kirsimäe, Kalleerr.ee2022 https://www.err.ee/1608486257/ulevaade-oleviku-ja-tulevikumaavarade-uuringud-eestis
• δ13C chemostratigraphy of the Middle and Upper Ordovician sucession in the Tartu-453 drillcore, southern Estonia, and the significance of the HICEBauert, Heikki; Ainsaar, Leho; Põldsaar, Kairi; Sepp, SiimEstonian journal of earth sciences2014 / p. 195-200 : ill https://artiklid.elnet.ee/record=b2705791*est https://doi.org/10.3176/earth.2014.18 https://www.scopus.com/sourceid/6000195392 https://www.scopus.com/record/display.uri?eid=2-s2.0-84919393250&origin=inward&txGid=dd1947696d16ce3a91dbd2d5398ca3cb https://jcr.clarivate.com/jcr-jp/journal-profile?journal=EST%20J%20EARTH%20SCI&year=2014 https://www.webofscience.com/wos/woscc/full-record/WOS:000346296000003