RepFocus | www.repfocus.dk |
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Ernst, C.H. 1999 Venomous Reptiles of North America. Smithsonian Institution Press, Washington, D.C. 236 pp. (Reprint of 1992 original, see below) |
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Ernst, C.H. 1992 Venomous reptiles of North America. Smithsonian Institution Press, Washington, D.C. & London. 236 pp. |