TY  - BOOK
ED  - American Petroleum Institute, API
TI  - Recommended practice for field analysis of crude oil samples containing from to fifty percent water by volume: API Recommended Practice 87
U1  - Caja 12 
PY  - 2007///
CY  - Washington
PB  - American Petroleum Institute, API
KW  - Normalización
KW  - Normas API
ER  -