.245
a	How it work
b	: the telescope and microscope
h	Book
.020
a	0-7214-0294-1
.100
a	WORVILL, Roy
.005
a	20091008085256
.260
a	Loughborough
b	Ladybird Books
c	1975
.084
a	J 552.2 WOR
.300
a	51 hlm.: gamb.
b	18 cm.
c	51 hlm.: gamb.; 18 cm.
.490
a	A Ladybird Book
.336
a	Book