TY  - BOOK
ED  - American Petroleum Institute, API
TI  - Recommended practice for training and qualification of drilling fluid technologists: API Recommended practice 13L
U1  - Caja 9 
PY  - 2003///
CY  - Washington
PB  - American Petroleum Institute, API
KW  - Normas API
KW  - Normalización
ER  -