000 00311nam a2200133Ia 4500
100 _aCouch,Leon.W
020 _a0-13-599028-9
250 _a5th ed
942 _cBK
245 _aDigital and analog communication systems
260 _aPrentice-Hall, New Jersey
_c1997
082 _a621.38 Cou
300 _axx,720
999 _c27816
_d27816