00602cam a22001812  4500001001100000005001700011008004100028020002800069040001500097100003700112245008300149250001200232260004200244300001900286650004300305650003500348700003700383000000603420151217155213.0070912s         xx           000 0 eng d  a0070634149 :cKES 2,980  aKABUcKABU1 aForouzan, Behrouz A.@000014847810aData communications and networking /cBehrouz A. Forouzan, Sophia Chung Fegan.  a4th ed.  aNew Delhi :bTata McGraw-Hill,c2006.  axxxiv, 1134 p. 0aData transmission systems.@0000156307 0aComputer networks.@00001482141 aFegan, Sophia Chung.@0000148218