000			00362nam a2200145Ia 4500
008			170101s1983 xx 000 0 und d
082			_a003 R45A
100			_aRICHARDS, J.A
245		0	_aAnalysis of periodically time-varying systems
260			_bBerlin _c1983
300			_a173p
650			_aSYSTEM ANALYSIS
653			_aSYSTEM ANALYSIS
942			_2ddc _cB
999			_c85098 _d85098