00269nam a2200109Ia 4500008004100000041000800041082001400049100001800063245005000081260002100131365000700152230302s9999    xx            000 0 und d  aeng  a005.82BOS  aBOSE (Ranjan)  aInformation Theory : Coding and Cryptography   aNEW DELHI bTMH   cRS