• Middle to Late Ordovician graptolite and chitinozoan biostratigraphy of the Kandava-25 drill core in western LatviaGoldman, Daniel; Nõlvak, Jaak; Maletz, JörgGFF2015 / p. 197 - 211 https://doi.org/10.1080/11035897.2015.1021375 https://www.scopus.com/sourceid/25844 https://www.scopus.com/record/display.uri?eid=2-s2.0-84943657463&origin=inward&txGid=87044c1810d0cc5a12090ba5ba077323 https://jcr.clarivate.com/jcr-jp/journal-profile?journal=GFF&year=2015 https://www.webofscience.com/wos/woscc/full-record/WOS:000362516800006