• Early and early Middle Ordovician chitinozoans from the Baldone drill core, central LatviaNõlvak, Jaak; Liang, Yan; Hints, OlleEstonian journal of earth sciences2022 / p. 25-43 : ill https://doi.org/10.3176/earth.2022.03 https://www.scopus.com/sourceid/6000195392 https://www.scopus.com/record/display.uri?eid=2-s2.0-85126727884&origin=inward&txGid=48ed00c9e29f0003df53dc0eac089e87 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=EST%20J%20EARTH%20SCI&year=2022 https://www.webofscience.com/wos/woscc/full-record/WOS:000766812400001