cam a22 4500 211018899 CHVBK 20200925140236.0 901126s1962 xxk|||||||||| 00 |eng d (RERO)1313777 RERO geusob eng rus s1as rero Bugoslavskaia︠︡ N. IA︠︡ (RERO)A013503830 cre Solar activity and the ionosphere for radio communications specialists N. Ya. Bugoslavskaya ; transl. from the Russian by G. O. Harding Oxford London [etc.] Pergamon Press 1962 XI, 39 p. ill. 23 cm txt rdacontent n rdamedia nc rdacarrier Solnechnaya aktivnost' i yeye vliyaniye na ionosferu soleil actif (RERO)A010152062 rerovoc Ionosphère (RERO)A021020405 rero Rayonnement solaire (RERO)A021005757 rero atmosphère planétaire (RERO)A009963431 rerovoc BK020000 XK020000 XK020000 RERO RE61012 RE61012 RE610120001 22.32 BUG OBSA 1294 RERO 100 1- Bugoslavskaia︠︡ N. IA︠︡ (RERO)A013503830 cre