00337nam a2200133Ia 4500008004100000020001800041041000800059082001700067100001700084245002600101250002200127260004000149300001400189220530s9999    xx            000 0 und d  a9788184311808  aeng  a621.382bCHI  aChitode G.S.  aDigital Communication  a4 th reprint 2012  aPune bTechnical Publication c2012  a688 pbPB