000 00365nam a2200133Ia 4500
008 180612s9999||||xx |||||||||||||| ||und||
041 _aen
082 _a578.757
100 _aJOHNSON,LEADER F.
245 0 _aMethods for studying soil microflora - plant sisease relationships
260 _aAmerican
_bBurgess publishing company
300 _aiii,178p
942 _cPR
999 _c61059
_d61059