@book{bhlitem42934, title = {Die Heliceen nach natürlicher Verwandtschaft systematisch geordnet }, copyright = {NOT_IN_COPYRIGHT}, url = {https://www.biodiversitylibrary.org/item/42934}, note = {https://www.biodiversitylibrary.org/bibliography/11218}, publisher = {Leipzig, W. Engelmann, 1860}, author = {Albers, Joh. Christ. (Johann Christian), and Martens, Eduard von,}, year = {}, pages = {390}, keywords = {Snails|}, }