000 00387pam a2200157a 44500
008 230515b1998 xxu||||| |||| 00| 0 eng d
020 _aNULL
041 _aENGLISH
082 _aNULL
100 _aCOUCH / LEON W.
245 _aMODERN DIGITAL & ANALOG COMMUNICATION SYSTEMS
250 _aNULL
260 _aNULL
_bOXFORD UNIVERSITY PRESS
_c1998
300 _a781 PB
650 _aNULL
999 _c630371
_d630371