TY  - BOOK
AU  - Kopal, Zdenek, ed.  
TI  - Advances in astronomy and astrophysics: edited by Zdenek Kopal
U1  - 523 Ad98 v.5 
PY  - 1967///
CY  - New York
PB  - Academic Press
KW  - Astrophysics
KW  - Astronomy
ER  -