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 23-B 
PY  - 2006///
CY  - Washington
PB  - American Petroleum Institute, API
KW  - Normalización
KW  - Normas API
KW  - Simbología
ER  -