TY  - BOOK
ED  - American Petroleum Institute, API
TI  - Manual of petroleum measurement standards. Chapter 9.2: Standard test method for density or relative density of light hydrocarbons by pressure hydrometer
U1  - Carpeta IV 
PY  - 2012///
CY  - Washington
PB  - American Petroleum Institute, API
KW  - Densidad relativa
KW  - Normalización
KW  - Normas API
KW  - Densidad
ER  -