TY  - BOOK
ED  - American Petroleum Institute, API
TI  - Manual on installation of refinery instruments and control systems. Part II- Process stream analyzers. Section 7 -Electrochemical liquid analyzers: API Recommended Practice 550
U1  - Caja archivo 3 
PY  - 1984///
CY  - Washington
PB  - American Petroleum Institute, API
KW  - Normas API
KW  - Normalización
ER  -