• Integrated Upper Ordovician–lower Silurian biostratigraphy of the Grötlingbo-1 core section, SwedenMännik, Peep; Loydell, David Kendrick; Nestor, Viiu; Nõlvak, JaakGFF2015 / p. 226 - 244 https://doi.org/10.1080/11035897.2015.1042032 https://www.scopus.com/sourceid/25844 https://www.scopus.com/record/display.uri?eid=2-s2.0-84943602181&origin=inward&txGid=f34e5548eb4197a93e2e4ef16cb18d06 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=GFF&year=2015 https://www.webofscience.com/wos/woscc/full-record/WOS:000362516800008