000 002970000a22001210004500
245 _aThe mathematical theory of communication
100 _aShannon, C.E.
100 _aWeaver, W.
260 _aUrbana
_bUnivesity of Illinois
_c1963
080 _a621.391.01
_bS5
041 _aEN
942 _cBK
999 _c115759
_d115759