@inbook{NARMS:SourceID:386136, author = {Bergh, L. S. R.}, journal = {In: C. Semper (ed.) Reisen im Archipel der Philippinen, Wissenschaftliche Resultate.}, title = {Malacologische Untersuchungen}, url = {https://www.biodiversitylibrary.org/page/14451359}, year = {1872} }