.245
a	Valency and molecular structure
h	Book
.100
a	CARTMELL, E.
.005
a	20071129142330
.260
a	London
b	ELBS and Butterworths
c	1970
.084
a	541.22 CAR
.300
a	xii, 314 hlm.: gamb., tab.
b	21 cm.
c	xii, 314 hlm.: gamb., tab.; 21 cm.
.336
a	Book