TY  - BOOK
AU  - Zug,George R.
AU  - Hedges,S.Blair
AU  - Sunkel,Sara
TI  - Variation in the reproductive parameters of three neotropical snakes, Coniophanes fissidens, Dipsas catesbyi, and Imantodes cenchoa
PY  - 1979///
CY  - Washington
PB  - Smithsonian Institution Press
ER  -