TY  - RPRT
TI  - Estimativas de possiveis recursos de petroleo e gas na America Central e na America do Sul [Estimates of possible petroleum and gas resources in Central American and South America]
AU  - C.S. Schenk
PY  - 2001
DO  - 10.3133/fs03901
UR  - https://pubs.usgs.gov/publication/fs03901
ID  - fs03901
ER  -