000 00254nam a2200109Ia 4500
008 220201s9999 xx 000 0 eng d
100 _aGAUTAM (AK)
245 0 _aPRICIPLE OF COMMUNICATION ENGG.
250 _a1ST
260 _bS. K. KATARIA
942 _2ddc
999 _c98453
_d98453