Age of the Kalana Lagerstätte, early Silurian, EstoniaMännik, Peep; Tinn, Oive; Loydell, David, K.; Ainsaar, L.Estonian journal of earth sciences2016 / p. 105-114 : ill https://doi.org/10.3176/earth.2016.10 https://artiklid.elnet.ee/record=b2778946*est Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Age of the silurian lower red beds in South China : stratigraphical evidence from the sanbaiti sectionChen, Zhongyang; Männik, Peep; Fan, Junxuan; Wang, Chengyuan; Chen, Qing; Sun, Zongyuan; Chen, Dongyang; Li, ChaoJournal of earth science2021 / p. 524–533 : ill https://doi.org/10.1007/s12583-020-1350-6 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Chitinozoan biostratigraphy of the Upper Ordovician D. clingani and P. linearis graptolite biozones on the Island of Bornholm, DenmarkVandenbroucke, Thijs R. A.; Recourt, Philippe; Nõlvak, Jaak; Nielsen, Arne T.Stratigraphy2013 / p. 281-301 : ill https://biblio.ugent.be/publication/5645860

A crustoid graptolite lithoimmured inside a Middle Ordovician nautiloid conch from Northern EstoniaVinn, Olev; Wilson, Mark A.; Toom, UrsulaAnnales societatis geologorum Poloniae2019 / p. 285-290 : ill https://doi.org/10.14241/asgp.2019.17 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Integrated Upper Ordovician–lower Silurian biostratigraphy of the Grötlingbo-1 core section, SwedenMännik, Peep; Loydell, David Kendrick; Nestor, Viiu; Nõlvak, JaakGFF2015 / p. 226 - 244 https://doi.org/10.1080/11035897.2015.1042032 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

Middle to Late Ordovician graptolite and chitinozoan biostratigraphy of the Kandava-25 drill core in western LatviaGoldman, Daniel; Nõlvak, Jaak; Maletz, JörgGFF2015 / p. 197 - 211 https://doi.org/10.1080/11035897.2015.1021375 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS

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

More about the Ordovician-Silurian transition beds at Mirny Creek, Omulev Mountains, NE Russia: carbon isotopes and conodontsKaljo, Dimitri; Männik, Peep; Martma, Tõnu; Nõlvak, JaakEstonian journal of earth sciences2012 / p. 277-294 : ill https://artiklid.elnet.ee/record=b2552072*est

On the lower boundary of the Floian Stage in EstoniaPärnaste, Helje; Viira, ViiveEstonian journal of earth sciences2012 / p. 205-209 https://artiklid.elnet.ee/record=b2551998*est

Silurian bentonites in Lithuania : correlations based on sanidine phenocryst composition and graptolite biozonation - interpretation of volcanic source regionsKiipli, Tarmo; Radzevičius, Sigitas; Kallaste, ToivoEstonian journal of earth sciences2014 / p. 18-29 : ill https://artiklid.elnet.ee/record=b2663120*est https://doi.org/10.3176/earth.2014.02 Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS