00428nam a2200157Ia 4500001001000000003000500010008004100015010001100056040000900067100001900076245004400095260005400139300000900193440003900202650002900241Para_4589CHAP220125s1933 xx 000 0 und d a203070 cCHAP aHoerner, G. R. aDowny mildew of hops /c G. R. Hoerner aCorvallis, Oregon :b State Agricultural College a8 p. aOregon. Sta. Agri. Coll. Bull; 466 aLupuloĢ x Enfermedades