000 00259nam a2200109Ia 4500
008 220201s9999 xx 000 0 eng d
100 _aSINHA (UMESH)
245 0 _aPRINCIPLES OF COMMUNICATION ENGG
250 _a3RD
260 _bSATYA PRAKASHAN
942 _2ddc
999 _c97252
_d97252