TY  - BOOK
ED  - American Petroleum Institute, API
TI  - Combustible gas detector systems and environmental and operational factors influencing their performance: API publication 2031
U1  - Caja 24 
PY  - 1991///
CY  - Washington
PB  - American Petroleum Institute, API
KW  - Normalización
KW  - Normas API
ER  -