000			00362nam a2200169Ia 4500
008			190201s9999 xx 000 0 und d
020			_a9.79E+12
082			_a621
082			_b3822 O
100			_a"Oppenheim,Alan,V."
245		0	_aSignals & Systems
250			_aSecond
260			_aNew Delhi
260			_bPHI
260			_c2004
300			_a"XXX,957"
999			_c46212 _d46212