@inbook {685,
	title = {Turbellaria Tricladida},
	booktitle = {Institut des Parcs Nationaux du Congo Belge, Exploration du Parc National de l{\textquoteright}Upemba, Mission G.F. de Witte, 1946-1949},
	volume = {21},
	year = {1953},
	pages = {1-62},
	author = {Ernesto Marcus}
}
