000 00376nam a2200181Ia 4500
008 240220s9999 xx 000 0 und d
041 _aENG
082 _a1545
100 _aKumar A.
245 0 _aCommunication engineering.
260 _aNULL
260 _bUmesh Publications.
260 _c1994
300 _a354p.
365 _b60
650 _aETC
942 _cDBK
999 _c24440
_d24440