000 00261nam a2200109Ia 4500
008 190703s9999 xx 000 0 und d
082 _a621.382
100 _aDAS,J
245 0 _aPRINCIPLES OF DIGITAL COMMUNICATION
260 _aNEW DELHI
_bWiley
942 _cBB
_2DDC
999 _c5522
_d5522