00609cam a22001932  4500001001100000005001700011008004100028020002700069040001500096100003700111245008300148250001200231260003500243300001900278650004300297650003500340700003700375852000300412000001273520151021151123.0090316s         xx           000 0 eng d  a0071254427, 0070634145  aKABUcKABU1 aForouzan, Behrouz A.@000014847810aData communications and networking /cBehrouz A. Forouzan, Sophia Chung Fegan.  a4th ed.  aBoston :b McGraw-Hill,c2007.  axxxiv, 1134 p. 0aData transmission systems.@0000156307 0aComputer networks.@00001482141 aFegan, Sophia Chung.@00001482181