00930nam0-22003251i-450-990000035310403321000003531FED01000003531(Aleph)000003531FED0100000353120011111d--------km-y0itay50------baitay-------001yyPrinciples of data communicationR. W. Lucky , J. Salz , E. J. Weldon.New YorkMcGraw-Hill book company1968VIII, 433 p.ill.24 cm004.6Lucky,R. W.2622Salz,JackWeldon,Edward J.ITUNINARICAUNIMARCBK99000003531040332113 B 55 0329101FINBC13 B 55 0429100FINBC13 B 55 0529199FINBCFINBCPrinciples of data communication106079UNINAING01