• 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 https://www.scopus.com/sourceid/13985 https://www.scopus.com/record/display.uri?eid=2-s2.0-85102592512&origin=inward&txGid=fbe9050a91c2bc8d7a3f5740c7fadc21 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=PALAEOGEOGR%20PALAEOCL&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000636767300019