TY  - BOOK
ED  - American Petroleum Institute, API
TI  - Recommended practices for evaluation of polymers used in enhanced oil recovery operations: API recommended practice 63 (RP 63)
U1  - Caja 12 
PY  - 1990///
CY  - Washington
PB  - American Petroleum Institute, API
KW  - Normalización
KW  - Normas API
ER  -