@book{bhlitem16840, title = {Lehrbuch der vergleichenden Anatomie der wirbellosen Thiere }, volume = {Lief.1}, copyright = {Public domain. The BHL considers that this work is no longer under copyright protection.}, url = {https://www.biodiversitylibrary.org/item/16840}, note = {https://www.biodiversitylibrary.org/bibliography/12670}, publisher = {Jena, G. Fisher, 1900-1901}, author = {Lang, Arnold, and Hescheler, Karl,}, year = {}, pages = {526}, keywords = {Anatomy|Invertebrates|Mollusks|Protozoa|}, }