000 00247nam a2200097Ia 4500
008 220201s9999 xx 000 0 eng d
100 _aCHORAFAS (DIMITRIS N)
245 0 _aTELEPHONY : TODAY & TOMORROW
260 _bPRENTICE HALL INDIA
942 _2ddc
999 _c95878
_d95878