TY  - BOOK
ED  - Society of Petroleum Engineers, SPE
TI  - Proved reserves definitions
U1  - 622.338 S741 0005327 
PY  - 1981///
CY  - Dallas, Texas
PB  - Society of Petroleum Engineers, SPE
KW  - Reservas. Nomenclatura y definiciones
N1  - Separata del Journal of Petroleum Technology
ER  -