00489cam a22001692  4500001001100000005001700011008004100028020002800069040001500097050002400112100003300136245004700169250001200216260003400228300001700262650004000279000000033420151021151046.0070122s         xx           000 0 eng d  a0071181830 :cKES 2,900  aKABUcKABU 0aTK5103.7b.P76 20011 aProakis, John G.@000014846910aDigital communications /cJohn G. Proakis.  a4th ed.  aBoston :bMcGraw-Hill,c2001.  axxi, 1002 p. 0aDigital communications.@0000157685