00444 a2200157 4500020001800000082001700018100001800035245003900053260004500092300002300137650002800160650002700188650003000215650002000245700002100265 a9788178086552 a621.382bGAR aGarg, Vijay K aPrinciples and applications of GSM aNew DelhibPearson Educationc1999g1999 axxiii, 481p.c24cm aCellular communications aWireless Communication aCommunication engineering aApplied physics aWilkes, Joseph E