TY  - BOOK
ED  - American Petroleum Institute, API
TI  - Summary and analysis of API onshore drilling mud and produced water environmental studies: API bulletin D19 (BUL D19)
U1  - Caja archivo 8 
PY  - 1983///
CY  - Washington
PB  - American Petroleum Institute, API
KW  - Normas API
KW  - Normalización
ER  -