• New data on the exoskeleton of the osteostracan genus Aestiaspis (Agnatha) from the Silurian of Saaremaa Island (Estonia) and the Severnaya Zemlya Archipelago (Russia)Afanassieva, Olga; Märss, TiiuPaleontological Journal2014 / p. 74-78 : ill https://doi.org/10.1134/S003103011401002X https://www.scopus.com/sourceid/14022 https://www.scopus.com/record/display.uri?eid=2-s2.0-84896365229&origin=inward&txGid=f2134e9634b945bbe951c94904a6d70e https://jcr.clarivate.com/jcr-jp/journal-profile?journal=PALEONTOL%20J%2B&year=2014 https://www.webofscience.com/wos/woscc/full-record/WOS:000333059500010