@book{UBHD-1475978, author={Poulton, T. P. and Poulton, T.P.}, title={Jurassic trigoniid bivalves from Canada and Western United States of America}, publisher={Geological Survey Canada}, address={Ottawa}, year={1979}, pages={82 S}, language={eng}, isbn={0-660-01535-8 and 978-0-660-01535-4}, number={ARRAY(0x55c8787cef48)}, series={Bulletin / Geological Survey of Canada}, library={UB [Signatur: 79 S 301]}, }