00806nam0-22003011i-450-990000043450403321000004345FED01000004345(Aleph)000004345FED0100000434520011111d--------km-y0itay50------baitay-------001yyAlla soglia dello spazioRichard A. Craig.BolognaZanichelli1971144 p.ill.19 cmBiblioteca di monografie scientifiche38Atmosfera551.514Craig,Richard A.542ITUNINARICAUNIMARCBK99000004345040332113 F 01 0528676FINBCFINBCEdge of space43366UNINAING01