TY  - JOUR 
T1  - Snakes of the genus Oxyrhopus (Colubridae: Squamata) in Colombia: taxonomy and geographic variation
JO  - Papéis Avulsos de Zoologia
A1  - Lynch, John D.
SN  - 0031-1049
UL  - 10.1590/S0031-10492009002500001
VL  - 49 
Y1  - 2009
PB  - Brazil 
ER  -