@book{bhlitem29823, title = {Etudes sur les infusoires d'eau douce }, copyright = {NOT_IN_COPYRIGHT}, url = {https://www.biodiversitylibrary.org/item/29823}, note = {https://www.biodiversitylibrary.org/bibliography/6785}, publisher = {Geneve, Georg, 1922}, author = {Penard, Eugène,}, year = {1922}, pages = {344}, keywords = {Infusoria}, }