.245
a	Artificial-Lift
h	Prosiding-Cetak
.250
a	12
.100
a	Halderson, M.H
.005
a	20100831130627
.260
a	Dallas
b	Soeciety Of Petroleum Engineers Of Aime
c	1975
.041
a	Indonesia
.084
a	662.338 HAL a
.336
a	Prosiding-Cetak