@book{bhlitem33945, title = {Nyt magazin for naturvidenskaberne }, volume = {Bd.18 (1871)}, copyright = {NOT_IN_COPYRIGHT}, url = {https://www.biodiversitylibrary.org/item/33945}, note = {https://www.biodiversitylibrary.org/bibliography/8076}, publisher = {Christiania [Oslo], Johan Dahl, 1836-1934}, author = {Physiographiske forening i Christiania and Physiographiske forening i Christiania.}, year = {1871}, pages = {438}, keywords = {Norway|Periodicals|Science}, }