TY  - BOOK
ED  - American Petroleum Institute, API
TI  - Progressing cavity pump systems for artificial lift -surface-drive systems: API Standard 11D3
U1  - Caja 7-A 
PY  - 2008///
CY  - Washington
PB  - American Petroleum Institute, API
KW  - Normalización
KW  - Normas API
ER  -