TY  - BOOK
AU  - Covington Michael A
TI  - Practical amateus astronomy: how to use a computerized telescope
SN  - 0521007909 (pbk)
U1  - B9:(Y:83), P2 
PY  - 2002///
CY  - Cambridge
PB  - Cambridge University Press       
KW  -  Astronomy
KW  - Physics
N1  - Index 219-223p
ER  -