000			00298nam a2200133Ia 4500
008			230312s9999||||xx |||||||||||||| ||und||
082			_a519.5 _bWAL-I
100			_aWalpole ,Ronald .E
245		0	_aIntroduction to Statistic
300			_a521
546			_aEng.
650			_aEconomics
942			_cBK
999			_c4285 _d4285