TY  - RPRT
TI  - Snake species of the world: A taxonomic and geographic reference. v. 1
AU  - R.W. McDiarmid
AU  - J. A. Campbell
AU  - T. Toure
PY  - 1999
UR  - https://pubs.usgs.gov/publication/5200220
ID  - 5200220
ER  -