@book{bhlitem22303, title = {Systematische phylogenie }, volume = {T.1 (1894)}, copyright = {NOT_IN_COPYRIGHT}, url = {https://www.biodiversitylibrary.org/item/22303}, note = {https://www.biodiversitylibrary.org/bibliography/3947}, publisher = {Berlin, Georg Reimer, 1894-96}, author = {Haeckel, Ernst,}, year = {1894}, pages = {424}, keywords = {Classification|Invertebrates|Vertebrates}, }