000 00323nam a2200121Ia 4500
001 MPKV062047
008 120911s9999 xx 000 0 und d
082 _a631.8
245 _aPhytopathology Vol.52
_c;
246 _aPhytopathology Vol.52
260 _aUSA
_bAmerican Phytopathological Society
_c1962
650 _aFertilizers
999 _c60033
_d60033