@article{NARMS:SourceID:299224, author = {Burch, J. B.}, journal = {Walkerana}, title = {North American freshwater snails: identification keys, generic synonymy, supplemental notes, glossary, references, index}, url = {https://vliz.be/vmdcdata/narms/narms.php?p=sourcedetails&id=299224}, year = {1982} }