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• High-resolution trilobite stratigraphy of the Lower–Middle Ordovician Öland Series of BaltoscandiaPärnaste, Helje; Bergström, Jan; Zhiyi, ZhouGeological magazine2013 / p. 509-518 : ill https://pubs.geoscienceworld.org/geolmag/article-abstract/150/3/509/299539/High-resolution-trilobite-stratigraphy-of-the https://doi.org/10.1017/S0016756812000908 https://www.scopus.com/sourceid/26476 https://www.scopus.com/record/display.uri?eid=2-s2.0-84875968844&origin=resultslist&sort=plf-f&src=s&sot=b&sdt=b&s=DOI%2810.1017%2FS0016756812000908%29&sessionSearchId=3efd88b0ac0a1eb956a8fd84ce122338&relpos=0 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=GEOL%20MAG&year=2013 https://www.webofscience.com/wos/woscc/full-record/WOS:000317066800009
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