.245
a	Astronomy
h	Buku-Bacaan Pengaya Nonfiksi
.020
a	0435290118
.100
a	SKELDON, Philips
.005
a	20090713100919
.260
a	London
b	Heinemann Educational Books
c	1982
.084
a	429.52 SKE
.300
a	32 hlm.: gamb., tab.
b	19 cm.
c	32 hlm.: gamb., tab.; 19 cm.
.490
a	Heinemann Science and Technical Readers
.336
a	Buku-Bacaan Pengaya Nonfiksi