001 avmolOPAC2008-1401
100 $aHeldman, Robet
245 $aFuture telecommunications $binformation applications, services, & infrastructure $cRobet Heldman
260 $aWashihgton $bMcGraw-Hill $c1992
300 $a234 s. $c24 cm
650 $aTelekomunikacja
920 $a0-07-028039-8

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