@article {151,
	title = {External Morphology of the Larvae of Onychodactylus fischeri Boul., Hynobiidae},
	journal = {Zoologichesky Zhurnal},
	volume = {56},
	year = {1977},
	pages = {901-912},
	author = {Regel, E.D. and Epstein, S.M.}
}
@article {6,
	title = {Karyological relationships between the cryptobranchid salamanders},
	journal = {Experientia},
	volume = {24},
	year = {1977},
	pages = {964{\textendash}966},
	author = {A. Moreascalchi and G. Odierna and E. Olmo}
}
