000			00512nam a2200169Ia 4500
008			140208s9999 xx 000 0 und d
044			_aU.S.A.
080			_a631.4 J634M
100			_aJohnson, Leander F.
245			_aMethods for studing soil micorflora-plant disease relationships _cLeander F. Johnson...[et al.].
260			_bBurgess Publishing _aMinnesota _c1959
300			_aiii, 178 p.; 21cm.
700			_aBond, John H.
700			_aCurl, Elroy A.
700			_aFribourg, Henry A.
942			_2udc _cGB
999			_c1729 _d1729