@book{bhlitem50033, title = {Die Entwicklung der Testikel von Fringilla Domestica von der Winterruhe bis zum Eintritt der Brunft }, copyright = {NOT_IN_COPYRIGHT}, url = {https://www.biodiversitylibrary.org/item/50033}, note = {https://www.biodiversitylibrary.org/bibliography/14305}, publisher = {Leipzig, W. Engelmann, 1891}, author = {Etzold, Franz,}, year = {}, pages = {50}, keywords = {Finches|Testis|}, }