TY  - BOOK
ED  - American Petroleum Institute, API
TI  - Specification for drilling and production hoisting equipment (PSL 1 and PSL 2): API Specification 8C
U1  - Caja 5 
PY  - 2012///
CY  - Washington
PB  - American Petroleum Institute, API
KW  - Equipos de perforación
KW  - Normalización
KW  - Normas API
ER  -