TY  - SER
AU  - Lea,James F.
AU  - Winkler,W.
TI  - What's new in artificial lift
PY  - 2011///
CY  - 
PB  - 
N1  - Recent developments are introduced in beam/rod pumping, electrical submersible pumping, gas lift, gas well dewatering and artificial lift monitoring
ER  -