TY  - BOOK
ED  - American Petroleum Institute, API
TI  - Guidelines for confined space entry on board tank ships in the petroleum industry: API Recommended Practice 1141
U1  - Caja 22-A 
PY  - 1994///
CY  - Washington
PB  - American Petroleum Institute, API
KW  - Normas API
KW  - Normalización
ER  -