01095cam0-22003011i-450-99000019600040332120061221145132.0000019600FED01000019600(Aleph)000019600FED0100001960020020821d1973----km-y0itay50------bagerDEa-------101yySpace research 13.proceedings of Open meeting of working groups on physical sciences of the 15. Plenary meeting of COSPARMadrid, Spain, 10-14 May, 1972organized by COSPAR and the "Comision nacional de investigacion de espacio" of Spainedited by M. J. Rycroft, S. K. RuncornBerlinAkademie-verlag19732 v. (XVII, 597; XIV, 1198 p.)ill.25 cm500.5PLENARY MEETING OF COSPAR, 15., Madrid, 1971331470ITUNINARICAUNIMARCBK99000019600040332113 SC V G 1927759/aFINBC13 SC V G 2027759/bFINBCFINBCSpace research 13122051UNINA