@book{bhlpg43505669, title = {Mémoires de la Société d'émulation du Doubs }, volume = {Ser.5 v.5 1880}, url = {https://www.biodiversitylibrary.org/page/43505669}, publisher = {[La Société]}, author = {Société d'émulation du Doubs. }, year = {1880}, pages = {Page 19}, } @book{bhlpg42498210, title = {The veliger }, volume = {v.49 (2007)}, url = {https://www.biodiversitylibrary.org/page/42498210}, publisher = {California Malacozoological Society}, author = {California Malacozoological Society. }, year = {2007}, pages = {Page 253}, }