TY  - BOOK
AU  - Contopoulos, G., ed.
AU  - Jappel, A., ed.
ED  - General Assembly of International Astronomical Union
TI  - Transactions of the International Astronomical Union: vol. 15B, proceedings of the fifteenth general assembly held in Sydney, 1973 and Ex-ordinary general assembly Poland, 1973
SN  - 90-277-0451-1
PY  - 1974///
CY  - Dordrecht
PB  - D. Reidel Publishing
KW  - Astronomy
KW  - Astronomy and Astrophysics thesaurus 
ER  -