TY  - BOOK
ED  - American Petroleum Institute, API
TI  - Manual of petroleum measurement standards. Chapter 4- Proving systems: Section 4- Tank provers
U1  - Carpeta II 
PY  - 1998///
CY  - Washington
PB  - American Petroleum Institute, API
KW  - Mediciones petroleras
KW  - Normalización
KW  - Normas API
ER  -