.245
aHow to use a computerized telescope.
hBook
.020
a978-0-521-00790-0 [pbk]
.250
a1st ed, 3rd print.
.100
aCOVINGTON, Michael A.
.005
a20080507110403
.260
aCambridge, UK
bCambridge University Press
c2005
.084
a 522.2 COV
.300
axvi, 223 hlm.: gamb., tab.
b 25 cm.
cxvi, 223 hlm.: gamb., tab.; 25 cm.
.490
aPractical Amateur Astronomy series
.336
aBook