000			00377nam a2200181Ia 4500
008			240220s9999 xx 000 0 und d
041			_aENG
082			_a621381
100			_aKumar A.
245		0	_aCommunication engineering.
260			_aNULL
260			_bUmesh Publication.
260			_c1995
300			_a358p.
365			_b75
650			_aETC
942			_cDBK
999			_c25577 _d25577