00709nam a2200241 a 450000100060000000300090000600800410001501000170005602000150007302000150008804000280010308200160013110000260014724500600017325000190023326000730025230000320032550400200035752600080037765000230038570000180040885200410042617707BD-DhAAL100309s2008    njua          001 0 eng d  a   94014041   a8131705110  a013312083X  aDLCcDLCdDLCdDB-DhAAL00a621.3822201 aRoddy, Dennis,d1931-10aElectronic communications /cDennis Roddy, John Coolen.  aForth edition.  aEnglewood Cliffs, NJ ;aNew Delhi :bPearson/Prentice Hall ,cc2008.  aix, 820 p. :bill. ;c26 cm  aIncludes index.  aMNS 0aTelecommunication.1 aCoolen, John.4 aAyesha Abed Library cGeneral Stacks