000			00342nam a2200157Ia 4500
008			190201s9999 xx 000 0 und d
082			_a621
082			_b3822 O
100			_a"Oppenheim, Alan V"
245		0	_aSignals and Systems
250			_aSecond
260			_aNew Delhi
260			_bP.H.I
260			_c1997
300			_a"XXX, 957"
999			_c36491 _d36491