TY - JOUR T1 - Some complicated cases of age determination using the annual layers of bones in amphibians (with the example of the long-tailed salamander, Onychodactylus fischeri (Amphibia, Hynobiidae) JF - Zoologichesky Zhurnal Y1 - 1994 A1 - Smirina, E.M. A1 - Serbinova, I.A. A1 - Makarov, A.N. SP - 72 EP - 81 VL - 73 ER -