000 00316nam a22001337a 4500
005 20210914164004.0
008 210914b ||||| |||| 00| 0 eng d
041 _aeng
100 _aHaykin Simon
_92087
245 _aCommunication systems
260 _aN delhi
_bWiley Eastern
_c1979
300 _a620
942 _cBK
999 _c127136
_d127136