000			00342nam a2200157Ia 4500
008			190201s9999 xx 000 0 und d
020			_a9.79E+12
082			_a621
082			_b38 OPP
100			_a"Oppenheim, Alan V"
245		0	_aDiscrete-Time Signal Pro
260			_aNew Delhi
260			_bP.H.I
260			_c1992
300			_a851
999			_c33945 _d33945