000 00283nam a2200121Ia 4500
008 200701s2009 xx 000 0 eng d
100 _aCHITODE J.S.
245 0 _aDIGITAL COMMUNICATION
250 _a1st
260 _bTECHNICAL PUBLICATIONS
_c2009
300 _a8.58
942 _2ddc
_cGE
999 _c3637
_d3637