TY  - BOOK
AU  - Wollstadt,Roger D.
AU  - Wollstadt,Roger D.
ED  - American Petroleum Institute, API
TI  - Oil exploration in less developed countries: The activities of private oil companies
U1  - 660.061.3 A512 028 0002052 
PY  - 1983///
CY  - Washington
PB  - American Petroleum Institute, API
KW  - Empresas petroleras
KW  - Inversiones
KW  - Exploración de hidrocarburos
ER  -