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Blight of pears, apples, and quinces /

Bibliographic Details
Main Author: Keil, Harry L.
Corporate Author: United States. Agricultural Research Service
Format: Government Document Book
Language:English
Published: Washington : Dept. of Agriculture, Agricultural Research Service, 1977.
Edition:Rev. Feb. 1972, slightly rev. Apr. 1977.
Series:Leaflet (United States. Department of Agriculture) ; no. 187.
Subjects:
Pears > Diseases and pests.
Apples > United States > Diseases and pests.
Quince > Diseases and pests.

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