TY  - BOOK
ED  - American Petroleum Institute, API
TI  - Recommended practice for presenting performance data on cementing and hydraulic fracturing equipment: API recommended practice 41
U1  - Caja 7-C 
PY  - 1995///
CY  - Washington
PB  - American Petroleum Institute, API
KW  - Normalización
KW  - Normas API
ER  -