@book {149, title = {The Amphibians of the Former Soviet Union}, year = {1999}, publisher = {Pensoft}, organization = {Pensoft}, address = {Moscow}, author = {Kuzmin, S.L.} } @book {142, title = {Atlas of Amphibians of China}, year = {1999}, publisher = {Henan Science and Technical Press}, organization = {Henan Science and Technical Press}, address = {Zhengzhou}, author = {L. Fei and Ye, C. and Y. Huang and Liu, M.} }