000 00572nam a22002057a 4500
999 _c175628
_d175627
005 20230804154944.0
008 230616b ||||| |||| 00| 0 eng d
020 _a002946062x
041 _aEN
082 _223
_a621.382
_bCOU
100 _aCouch, Leon W.
245 _aDigital and analog communication systems
_c/ Leon W. Couch II
250 _a3rd ed.
260 _aNew York:
_bMacmillan publishing company,
_c1990
300 _axxix, 766 p.
509 _aNS
650 4 _917106
_aTelecommunication systems
650 4 _94838
_aDigital communication
942 _cS