Show 50 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="Nõlvak, Jaak" or (type exact bookEditor and editor="Nõlvak, Jaak") Add to list Journal Article A1 Chitinozoan biostratigraphy of the Upper Ordovician D. clingani and P. linearis graptolite biozones on the Island of Bornholm, Denmark Thijs Vandenbroucke (UGent) , Philippe Recourt, Jaak Nolvak and Arne T Nielsen (2013) STRATIGRAPHY. 10(4). p.281-301 Add to list Journal Article A1 Polar front shift and atmospheric CO2 during the glacial maximum of the Early Paleozoic Icehouse Thijs Vandenbroucke (UGent) , Howard A Armstrong, Mark Williams, Florentin Paris, Jan A Zalasiewicz, Koen Sabbe (UGent) , Jaak Nõlvak, Thomas J Challandsa, Jacques Verniers (UGent) and Thomas Servais (2010) PROCEEDINGS OF THE NATIONAL ACADEMY OF SCIENCES OF THE UNITED STATES OF AMERICA. 107(34). p.14983-14986