@book{bhlitem101514, title = {Über Sehorgane vom Typus der Wirbelthieraugen au dem Rücken von Schnecken }, copyright = {Public domain. The BHL considers that this work is no longer under copyright protection.}, url = {https://www.biodiversitylibrary.org/item/101514}, note = {https://www.biodiversitylibrary.org/bibliography/46997}, publisher = {Wiesbaden, Kreidel, 1877}, author = {Semper, C. (Carl),}, year = {}, pages = {80}, keywords = {Anatomy|Gastropoda|}, }