• Symbiosis of conulariids with trepostome bryozoans in the Upper Ordovician of Estonia (Baltica)Vinn, Olev; Ernst, Andrej; Wilson, Mark A.; Toom, UrsulaPalaeogeography, palaeoclimatology, palaeoecology2019 / p. 89-96 : ill https://doi.org/10.1016/j.palaeo.2019.01.018 https://www.scopus.com/sourceid/13985 https://www.scopus.com/record/display.uri?eid=2-s2.0-85060094709&origin=inward&txGid=cdb2c7e3c0b6cf030427e859484fcb28 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=PALAEOGEOGR%20PALAEOCL&year=2021 https://www.webofscience.com/wos/woscc/full-record/WOS:000459841500009