TY  - BOOK
ED  - American Petroleum Institute, API
TI  - Manual of petroleum measurement standards. Chapter 14- Natural gas fluids measurement: Section 8- Liquefied petroleum gas measurement
U1  - Carpeta XII 
PY  - 1997///
CY  - Washington
PB  - American Petroleum Institute, API
KW  - Normas API
KW  - Normalización
ER  -