TY  - BOOK
AU  - Hagar,Charles F.
TI  - Planetarium: windows to the universe
SN  - 3875170059
AV  - QB70 .H34 1980 
PY  - 1980///
CY  - Oberkochen
PB  - Carl Zeiss
KW  - Planet
N1  - Includes references
ER  -