000			00304nam a2200133Ia 4500
008			220613s9999||||xx |||||||||||||| ||und||
100			_aHelen M Walker
245		0	_aElementry Statistical Methods
250			_a1958
260			_bHENRY HOLT
300			_a302
650			_aBio-Statistics
942			_cPARAC
999			_c2519 _d2519