000 00384pam a2200157a 44500
008 230515b1999 xxu||||| |||| 00| 0 eng d
020 _aNULL
041 _aENGLISH
082 _aN.D.
100 _aRobert J . / Schoenbeck
245 _aElectronic Communication Modulation & Transmission
250 _a0
260 _aNULL
_bPrintice Hall
_c1999
300 _a281
650 _aNULL
999 _c581589
_d581589