TY  - BOOK
ED  - American Petroleum Institute, API
TI  - Recommended practice for field testing water-based drilling fluids: API Recommended Practice 13B-1
U1  - Caja 9 
PY  - 2009///
CY  - Washington
PB  - American Petroleum Institute, API
KW  - Fluidos de perforación
KW  - Normalización
KW  - Normas API
ER  -