Van Eeden, J.A.Oberholzer, Gouws2022-05-192022-05-191970http://hdl.handle.net/10394/39136DSc, North-West University, Potchefstroom Campus"Abstract not copied"enContributions to the morphology, distribution, and taxonomy of some African species of the subgenus Bulinus [Müller] [Mollusca: Basommatophora]Thesis