TY  - BOOK
ED  - American Petroleum Institute, API
TI  - API engine oil licensing and certification system: 1994 licensees: API publication 1520
U1  - Caja 23-A 
PY  - 1994///
CY  - Washington
PB  - American Petroleum Institute, API
KW  - Normalización
KW  - Normas API
ER  -