000 00261nam a2200121Ia 4500
020 _a8178083329
082 _a621.382 KOL
100 _aKOLIMBIRIS, H.
245 _aDIGITAL COMMUNICATIONS SYSTEM
260 _bPEARSON
_c2005
300 _a480
942 _2ddc
_cBB
999 _c75324
_d75324