000 00304nam a22001337a 4500
008 181009b xxu||||| |||| 00| 0 eng d
020 _a9780137939107
041 _aeng
080 _a004
100 _a28
101 _aSHK
245 _aData and Telecommunications
_cThurwachter,Ch.N
942 _2udc
_cBK
999 _c49124
_d49124