Fire blight : A bacterial disease of rosaceous plants
van der Zwet, T., Keil, H.L.
Fire blight : A bacterial disease of rosaceous plants - Washington 1979 - 200 p. - No. 510; United States Departm .
Fire blight : A bacterial disease of rosaceous plants - Washington 1979 - 200 p. - No. 510; United States Departm .