00992nam0-22002771i-450-990000024510403321000002451FED01000002451(Aleph)000002451FED0100000245120011111d--------km-y0itay50------baitay-------001yySpace research 15.proceedings of Open meeting of working groups on physical sciences of the 17. Plenary meeting ofCOSPAR, S{o Paulo, Brazil, June 1974organized by COSPAR and the "Instituto de Pesquisas Espaciais - INPE" of Braziledited by M. J. Rycroft.BerlinAkademie-verlag1975XV, 737 p.ill.25 cm500.5PLENARY MEETING OF COSPAR, 17., San Paolo, Brasile, 1974331473ITUNINARICAUNIMARCBK99000002451040332113 SC V G 2230080FINBCFINBCSpace research 15107087UNINAING01