TY  - BOOK
ED  - American Petroleum Institute, API
TI  - Specification for internal-combustion reciprocating engines for oil-field service: API Specification 7B-11C
U1  - Caja 7 
PY  - 1994///
CY  - Washington
PB  - American Petroleum Institute, API
KW  - Normas API
KW  - Normalización
ER  -