@book{bhlitem30065, title = {Systematische Beschreibung der Plagiostomen }, copyright = {NOT_IN_COPYRIGHT}, url = {https://www.biodiversitylibrary.org/item/30065}, note = {https://www.biodiversitylibrary.org/bibliography/6906}, publisher = {Berlin, Veit und comp, 1841}, author = {Müller, Johannes, and Henle, Jacob,}, year = {1841}, pages = {350}, keywords = {Chondrichthyes|Classification|Identification|}, }