TY  - BOOK
ED  - American Petroleum Institute, API
TI  - Using the API color-symbol system to mark equipment and vehicles for product identification at service stations and distribution terminals: API Recommended Practice 1637
U1  - Caja archivo 3 
PY  - 1986///
CY  - Washington
PB  - American Petroleum Institute, API
KW  - Normas API
KW  - Normalización
ER  -