@book {23,
	title = {Contribution a l{\textquoteright}{\'e}tude Morphologique, Biologique, et Systematique des Amphibiens Urod{\`e}les de la Chine},
	year = {1936},
	publisher = {Picart},
	organization = {Picart},
	address = {Paris},
	author = {Chang, M. L. Y.}
}
@book {4,
	title = {Fauna Sinica, Amphibia},
	volume = {1},
	year = {2006},
	publisher = {Science Press},
	organization = {Science Press},
	address = {Beijing},
	author = {L. Fei and S. Hu and Y. Huang}
}
