Upper Katian (Ordovician) bentonites in the East Baltic, Scandinavia and Scotland Geochemical correlation and volcanic source interpretationKiipli, Tarmo; Dahlqvist, Peter; Kallaste, Toivo; Kiipli, Enli; Nõlvak, JaakGeological Magazine2015 / p. 589 - 602 https://doi.org/10.1017/S001675681400051X Journal metrics at Scopus Article at Scopus Journal metrics at WOS Article at WOS