TY  - BOOK
ED  - American Petroleum Institute, API
TI  - Design, installation, operation, test, and redress of subsurface safety valve systems: API Recommended Practice 14B
U1  - Caja 10 
PY  - 2015///
CY  - Washington
PB  - American Petroleum Institute, API
KW  - Normalización
KW  - Normas API
KW  - Válvulas
ER  -