@book{bhlitem57941, title = {Das Problem des Lebens; biologische Studien }, copyright = {NOT_IN_COPYRIGHT}, url = {https://www.biodiversitylibrary.org/item/57941}, note = {https://www.biodiversitylibrary.org/bibliography/18421}, publisher = {Bad Sachsa im Harz, H. Haacke, 1906}, author = {Hartmann, Eduard von,}, year = {}, pages = {456}, keywords = {Life|Origin|}, }