000			00347nam a2200121Ia 4500
008			140317s9999 xx 000 0 und d
082			_a631.82
100			_aLamb,C.A.
245			_aTrace elements: Proc. conf. at the Ohio agri. experiment station, Wooster Oct. 14-16,1957.
260			_aNY _bAcademic Press _c1958
300			_a410
942			_2ddc _cBK
999			_c4128 _d4128