

@article {15964,
	title = {Intermediate hosts of Schistosoma. African Biomphalaria and Bulinus: 2. Bulinus. Bulletin of the World Health Organization},
	volume = {17},
	year = {1957},
	pages = {1-65},
	publisher = {World Health Organization},
	author = {Mandahl-Barth, G.}
}
