E. Kramer

Sound Production by Cichlid Fishes

A. A. Myrberg, E. Kramer, P. Heinecke, 1965, Science.

Comments on the Identities of Certain Tantilla ( Squamata : Colubridae ) from Guatemala , with the Descriptions of Two New Species

W. Duellman, I. Ineich, B. Clarke, 2009 .

A New pitiver from Ecuador, Bothriechis mahnertii n. sp

E. Kramer, B. Schätti, 1991 .

Systematic remarks on a rare Crotalid snake from Ecuador, Bothriechis albocarinata (Shreve), with some comments on the generic arrangement of arboreal Neotropical pitvipers

E. Kramer, J. Touzet, B. Schätti, 1990 .

Batraciens et Reptiles d'Europe

E. Kramer, É. Dottrens, 1964 .