TY  - BOOK
ED  - American Petroleum Institute, API
TI  - Recommended practice for occupational safety for onshore oil and gas production operations: API Recommended practice 74
U1  - Caja 12 
PY  - 2001///
CY  - Washington
PB  - American Petroleum Institute, API
KW  - Normas API
KW  - Normalización
ER  -