.245
a	Data processing
b	: a first course
h	Book
.020
a	0-273-01887-6 [pbk]
.100
a	HARRISON, David
.005
a	20090717151720
.260
a	London
b	Pitman
c	1983
.084
a	004 HAR
.300
a	ix, 147 hlm.: gamb., tab.
b	23 cm.
c	ix, 147 hlm.: gamb., tab.; 23 cm.
.336
a	Book