TY  - BOOK
ED  - American Petroleum Institute, API
TI  - Recommended practice for design of continuous flow gas lift installations using injection pressure operated valves: API Recommended practice 11V6
U1  - Caja 7-B 
PY  - 1999///
CY  - Washington
PB  - American Petroleum Institute, API
KW  - Equipos para industria petrolera
KW  - Normalización
KW  - Normas API
ER  -