000 00262nam a2200109Ia 4500
008 220201s2002 xx 000 0 eng d
100 _aGAUTAM (AK)
245 0 _aPRINCIPLES OF COMMUNICATION ENGG.
250 _a1ST
260 _bS. K. KATARIA
_c2002
942 _2ddc
999 _c98476
_d98476