000 00234nam a2200097Ia 4500
008 230401s9999 xx 000 0 eng d
100 _aKALIMNIRIS (HHAROLD)
245 0 _aDIGITAL COMMUNCATION
260 _bMCGRAWHILL
942 _2ddc
_cMTECH
999 _c2675
_d2675