000 00252nam a2200085Ia 4500
008 130123s9999 xx 000 0 und d
082 _a631.8
245 _aPlant Disease Research Vol.6-7 No.1-2
260 _aPaul
_bAmerican Phytopathological Society
_c1991-92
999 _c79118
_d79118