• Hirnantian (latest Ordovician) bio- and chemostatigraphy of the Stirnas-18 core, western LatviaHints, Linda; Hints, Olle; Kaljo, Dimitri; Kiipli, Tarmo; Männik, Peep; Nõlvak, Jaak; Pärnaste, HeljeEstonian journal of earth sciences2010 / p. 1-24 : ill https://artiklid.elnet.ee/record=b2739538*est