@book{bhlpg42271167, title = {Novapex : trimestriel de la Société belge de malacologie }, volume = {v.10 (2009)}, url = {https://www.biodiversitylibrary.org/page/42271167}, publisher = {La Société}, author = {Société belge de malacologie. }, year = {2009}, pages = {Page 158}, }