000 00277nam a2200097Ia 4500
008 120224s9999 xx 000 0 und d
082 _a632
_bFRY
100 _aFry, William E.
245 _aPrinciples of plant disease management
260 _bAcademic Press
_aNew York
_c1982
999 _c131934
_d131934