TY  - GEN
AU  - Zimmermann, H
TI  - Concise encyclopaedis of astronomy
SN  - 0852740999
U1  - 520.03  
PY  - 1975///
CY  - London : 
PB  - Adam Hilger
KW  - Astronomy
KW  - Allied sciences
N1  - Includes bibliographical references
ER  -