Proceedings of open meetings of working groups on physical sciences of the eighteenth plenary meeting of COSPAR, Varna, Bulgaria, 29 May - 7 June 1975 and COSPAR Symposium and Workshop on Results from Coordinated Upper Atmosphere Measurement Programs, Varna, Bulgaria, 29 - 31 May 1975
Plenary meeting of COSPAR ; 18
;
1975
;
Varna
Plenary meeting of COSPAR ; 18 (Varna) : 1975.05.29-06.07
COSPAR Symposium and Workshop on Results from Coordinated Upper Atmosphere Measurement Programs
;
1975
;
Varna
COSPAR Symposium and Workshop on Results from Coordinated Upper Atmosphere Measurement Programs (Varna) : 1975.05.29-31
1976
XIX, 1077 S
Ill., graph. Darst
Konferenzband
Englisch