TY  - BOOK
ED  - American Petroleum Institute, API
TI  - Manual of petroleum measurement standards. Chapter 6- Metering assemblies: Section 6- Pipeline metering systems
U1  - Carpeta III 
PY  - 1991///
CY  - Washington
PB  - American Petroleum Institute, API
KW  - Normas API
KW  - Normalización
ER  -