@book{bhlitem47566, title = {Isis von Oken }, volume = {1846}, copyright = {Public domain. The BHL considers that this work is no longer under copyright protection.}, url = {https://www.biodiversitylibrary.org/item/47566}, note = {https://www.biodiversitylibrary.org/bibliography/13271}, publisher = {Jena, Expedition der Isis, 1820-1848}, author = {Oken, Lorenz,}, year = {1820}, pages = {504}, keywords = {Natural history|Periodicals|}, }