000 00276nam a2200109Ia 4500
008 220201s9999 xx 000 0 eng d
100 _aSINHA (UMESH)
245 0 _aPRINCIPLES OF COMMUNICATION ENGINEERING
250 _a3RD
260 _bSATYA PRAKASHAN NEW DELHI
942 _2ddc
999 _c95792
_d95792