000			00334nam a2200133Ia 4500
008			221231s9999 xx 000 0 und d
100			_aRoberts, Michael  J _92987
245		0	_aSignals and Systems
260			_bTata McGraw-Hill
260			_c2003
300			_a1154
650			_aElectronics and Communication _92988
942			_cBE_BK
999			_c2801 _d2801