000			00354nam a2200133Ia 4500
082			_a519.2 _bWIP
100			_aWillerding, Margaret F. _916779
245			_aProbability _b: the science of change
260			_aSacramento _bCalifornia State Department of education _c1970
300			_b96p.
546			_aeng
650			_aProbabilities _916780
942			_cBK
999			_c20629 _d20629