00425nam a2200157Ia 4500008004100000020001800041082001800059100001900077245003800096250000700134260004200141300002300183500001900206600002700225650001500252240925s9999    xx            000 0 und d  a9788177588798  a621.38456 GAR  aGarg, Vijay K. 0aPrinciples and Application of GSM  aNA  aNew Delhi:bPearson Educationc,2009.  a662p.b0fOriginal  aIncludes Index  aElectrical Engineering  aTechnology