@article {13210,
	title = {A genetic analysis of water frogs from Greece: Evidence for the existence of a cryptic species.},
	journal = {Zeitschrift f{\"u}r Zoologische Systematik und EvolutionsforschungZeitschrift f{\"u}r Zoologische Systematik und Evolutionsforschung},
	volume = {20},
	number = {3},
	year = {1982},
	pages = {209-223.},
	keywords = {Amphibia},
	author = {Tunner, H. G. and Heppich, S.}
}
