000 00439nam a2200133Ia 4500
008 240112s9999 xx 000 0 und d
082 _aJOH-M
_b631
100 _aJohnson, Leander P
245 0 _aMethods for studying soil microflora-plant disease relationships
260 _a Minneapolis
_bBurgess Publishing Company
_c1960
490 _aA Contribution of Southern Regional Project S-26
650 _aCrops & their production
942 _cBK
999 _c30322
_d30322