00977nam0-22002771i-450-990000024490403321000002449FED01000002449(Aleph)000002449FED0100000244920011111d--------km-y0itay50------baitay-------001yySpace research 14.proceedings of Open meeting of working groups of the 16. Plenary meeting of COSPAR, Costance, 23 may-5 June 1973 and Resumes of the Symposium on noctilucent couds and interplanetary dustedited by M.J. Rycroft and R. D. Reasenberg.BerlinAkademie-verlag1974XVII, 800 p.ill.25 cm500.5PLENARY MEETING OF COSPAR, 16., Costance, 1973331471ITUNINARICAUNIMARCBK99000002449040332113 SC V G 2128218FINBCFINBCSpace research 14107088UNINAING01