000 00319nam a2200133Ia 4500
008 220201s2015 xx 000 0 eng d
082 _a621.384
_bTOM
100 _aTomasi, W
245 0 _aAdvanced electronic communication system
250 _a6th ed.
260 _aN.Delhi
_bPHI
_c2015
300 _a854
942 _2ddc
999 _c37513
_d37513