00278nam a2200109Ia 4500008004100000041000800041082002000049100001600069245003500085260004000120300000800160211209s1980    xx            000 0 und d  aeng  a621.382 N80 RIC  aRICHARD W H  aCODING AND INFORMATION THEORY   aNEW DELHIbPRENTICE-HALL INC.c1980  a254