000			00322nam a2200145Ia 4500
008			190201s9999 xx 000 0 und d
020			_a9.78818E+12
100			_a"Oppenheim,Alan,V."
245		0	_aSignals & Systems
250			_aSecond
260			_aNew Delhi
260			_bPHI
260			_c2007
300			_a"XXX,957"
999			_c19519 _d19519