@inbook {470,
	title = {A contribution to the phylogeny and biogeography of the freshwater triclads (Platyhelminthes, Turbellaria)},
	booktitle = {Biology of the Turbellaria},
	year = {1974},
	pages = {339-401},
	publisher = {McGraw-Hill},
	organization = {McGraw-Hill},
	address = {New York},
	author = {Ian R. Ball}
}
@article {130,
	title = {The biogeography of the genus <i>Dugesia</i> (Turbellaria, Tricladida, Paludicola) in the Mediterranean region},
	journal = {Journal of Biogeography},
	volume = {12},
	year = {1985},
	pages = {509-518},
	chapter = {509},
	author = {Elizabeth J. De Vries}
}
