5 1 10 Pough, F. Harvey.dkk Additional Author mixed material 0131008498 USA Pearson Prentice Hall 2004 An Introductory Biology of Amphibians and reptiles Zug,George R Additional Author mixed material 0127826203 USA Academic Press 1993 Goin,Coleman J Additional Author Goin,Olive B Additional Author mixed material 0716706865 USA W.H Freeman and Company 1971 An Introductory Biology of Amphibians and Reptiles Zug,George R Additional Author mixed material 0127826203 USA Academic Press 1993 Et.Al Additional Author Pouch,F. Harvey Additional Author mixed material 0131008498 USA Prentice Hall 2004