00318nas a22001097a 4500008004100000022001400041245004400055260007000099300000700169362000900176650002300185190206s9999    xx            000 0 und d  a0018-9448  aIEEE Transactions on Information Theory  aNew YorkbInstitute of Electrical and Electronics Engineersc1979  av.  a1963  aInformation Theory