Early diversification of chitinozoans on Baltica : new data from northern Estonia and LatviaLiang, Yan; Nõlvak, Jaak; Hints, Olle13th International Symposium on the Ordovician System : Novosibirsk, Russia (July 19-22, 2019) : contributions2019 / p. 119–120 http://www.igcp653.org/wp-content/uploads/2019/07/ISOS13Proceedings.pdf Timing of the deglaciation and the late-glacial vegetation development on the Pandivere Upland, North EstoniaAmon, Leeli; Saarse, Leili; Vassiljev, Jüri; Heinsalu, Atko; Veski, SiimBulletin of the Geological Society of Finland2016 / p. 69-83 : ill https://doi.org/10.17741/bgsf/88.2.002