@inbook {174, title = {Salamandrella keyserlingii Dybowski, 1870 {\textendash} Sibirischer Winkelzahnmolch}, booktitle = {Handbuch der Reptilien und Amphibien Europas, Schwanzlurche}, volume = {1}, year = {1999}, pages = {21-55}, publisher = {Aula-Verlag}, organization = {Aula-Verlag}, address = {Wiesbaden}, author = {Borkin, L.J.}, editor = {Grossenbacher, K. and Thiesmeier, B.} } @article {58, title = {Variation in number of trunk vertebrae and in count of coastal grooves in salamanders of the family Hynobiidae}, journal = {Contributions to Zoology}, volume = {72}, year = {2003}, pages = {195-209}, author = {Litvinchuk, S.N. and Borkin, L.J.} }