00802nam0-22003011i-450-990000006190403321000000619FED01000000619(Aleph)000000619FED0100000061920011111d--------km-y0itay50------baitay-------001yyAlla soglia dello spazioRichard A. Craig.BolognaZanichelli1973144 p.ill.19 cmBiblioteca di monografie scientificheAtmosfera551.514Craig,Richard A.542ITUNINARICAUNIMARCBK99000000619040332113 F 01 3528675FINBCFINBCEdge of space43366UNINAING01