000			00303nam a2200121Ia 4500
100			_aGriffiths, S. R. & Downes, L. W.
020			_a423 42880 2
942			_cBK
245			_aEducational statistics for beginners
260			_aMethuen educational, London _c1969
082			_a370 Gri/Dow
300			_avi,151
999			_c2010 _d2010