.245
a	Modern trigonometry
h	Book
.100
a	HEARLEY, M. J. G.
.005
a	20080128182543
.260
a	London
b	Nelson
c	1946
.084
a	514.07
.300
a	168 hlm.: gamb.
b	18 cm.
c	168 hlm.: gamb.; 18 cm.
.336
a	Book