@book{bhlitem47581, title = {Isis von Oken }, volume = {1843}, copyright = {Public domain. The BHL considers that this work is no longer under copyright protection.}, url = {https://www.biodiversitylibrary.org/item/47581}, note = {https://www.biodiversitylibrary.org/bibliography/13271}, publisher = {Jena, Expedition der Isis, 1820-1848}, author = {Oken, Lorenz,}, year = {1820}, pages = {518}, keywords = {Natural history|Periodicals|}, }