00807nam0-22002531i-450-99000045992040332120081112171841.0000045992FED01000045992(Aleph)000045992FED0100004599220020821d1979----km-y0itay50------baenga-------001yyAdvanced course on satellite and ground packet radio systemsan alternative for data communication networks, 28-30 May 1979course notesACM Italian ChapterMilanoFAST1979323 p.ill.24 cmAssociation for Computing Machinery.Italian ChapterITUNINARICAUNIMARCBK99000045992040332110 I 311529 CCEDINELDINELUNINA