Show 250 5 10 15 20 50 100 250 Sort by year (new to old) Actions Download search results Subscribe to news feed Your filters: cql: author="Zalaziewicz, Jan" or (type exact bookEditor and editor="Zalaziewicz, Jan") Add to list Journal Article A1 Upper Llandovery (Telychian) graptolites of the Oktavites spiralis Biozone from the Long Dai Formation, at Lam Thuy village, Quang Binh Province, central Vietnam Mark Williams, Toshifumi Komatsu, Gengo Tanaka, Nguyen Huu Hong, Jan Zalaziewicz, Thijs Vandenbroucke (UGent) , Simon Wallis and Vincent Perrier (2016) CANADIAN JOURNAL OF EARTH SCIENCES. 53(7). p.719-724