@book{141611, author = {Edwards, Frederic E.}, title = {{A Monograph of the Eocene Mollusca, or, Descriptions of Shells from the Older Tertiaries of England, Part I: Cephalopoda}}, publisher = {London: Palaeontographical Society}, year = 1849, url = {https://vlp-new.ur.de/records/lit23364} }