@article{ERMS:SourceID:40595, author = {Verduin, A.}, journal = {Basteria}, note = {CLEMAM P1541}, pages = {25-32}, title = {Alvania cimex (L.) s. l. (Gastropoda, Prosobranchia), an aggregate species}, url = {http://natuurtijdschriften.nl/download?type=document&docid=596818}, volume = {50}, year = {1986} }