TY  - BOOK
AU  - Liller,William
AU  - Mayer,Ben
TI  - The Cambridge astronomy guide: a practical introduction to astronomy 
SN  - 0521257786
U1  - 523�19 
PY  - 1985///
CY  - Cambridge
PB  - Cambridge University Press
KW  - Astronomy
KW  - Amateurs' manuals
ER  -