000			00358nam a2200133Ia 4500
008			140208s9999 xx 000 0 und d
044			_aU.S.A.
080			_a630.83 SP31C
100			_aSpear, Mary Eleanor
245			_aCharting statistics _cMary Eleanor Spear
260			_bMcGraw-Hill Book _aNew York _c1952
300			_axii, 253 p.; 24cm.
942			_2udc _cGB
999			_c1533 _d1533