000 00339nam a2200145Ia 4500
008 241225s9999 xx 000 0 und d
020 _a0
082 _a621.382
_bKAT
100 _aKatre, J S.
245 0 _aCommunication engineering
260 _aPune :
_bTechMax,
_c1994
300 _a12.42.
365 _a325
650 _aApplied physics
999 _c36771
_d36771