TY - BOOK T1 - The Amphibians of the Former Soviet Union Y1 - 1999 A1 - Kuzmin, S.L. PB - Pensoft CY - Moscow ER - TY - BOOK T1 - The Amphibians of the Russian Far East Y1 - 2003 A1 - Kuzmin, S.L. A1 - Maslova, I.V. PB - Pensoft CY - Moscow ER -