.245
a	Perforating
h	Book
.020
a	1-55563-059-6
.100
a	Bell, W. T.
.005
a	20131023142124
.260
a	Richardson
b	Socienty of Petroleum Engineers
c	1995
.041
a	Indonesia
.084
a	621.95 BEL p
.336
a	Book