Variation in the reproductive parameters of three neotropical snakes, Coniophanes fissidens, Dipsas catesbyi, and Imantodes cenchoa /
Zug, George R., 1938-
Variation in the reproductive parameters of three neotropical snakes, Coniophanes fissidens, Dipsas catesbyi, and Imantodes cenchoa / George R. Zug, S. Blair Hedges and Sara Sunkel. - Washington : Smithsonian Institution Press, 1979. - III, 20 p. : ill. ; 27 cm. - Smithsonian contributions to zoology ; 300 .
Variation in the reproductive parameters of three neotropical snakes, Coniophanes fissidens, Dipsas catesbyi, and Imantodes cenchoa / George R. Zug, S. Blair Hedges and Sara Sunkel. - Washington : Smithsonian Institution Press, 1979. - III, 20 p. : ill. ; 27 cm. - Smithsonian contributions to zoology ; 300 .