• New data on Ordovician stable isotope record and conodont biostratigraphy from the Viki reference drill core, Saaremaa Island, western EstoniaHints, Olle; Martma, Tõnu; Männik, Peep; Nõlvak, Jaak; Põldvere, Anne; Shen, Yanan; Viira, ViiveGFF2014 / p. 100-104 : ill https://doi.org/10.1080/11035897.2013.873989 https://www.scopus.com/sourceid/25844 https://www.scopus.com/record/display.uri?eid=2-s2.0-84901230012&origin=inward&txGid=8d2be4cc7054caaf2933bb80c8c9145e https://jcr.clarivate.com/jcr-jp/journal-profile?journal=GFF&year=2014 https://www.webofscience.com/wos/woscc/full-record/WOS:000335945500021