Special Promotional Programs for Winter Pears

Auteur : Harry Hays Harp, Howard Wilbur Hruschka, James Emslie Thomson, James Fox Hind, Leigh Hugh Hammond, Robert Emmet Heffernan, Robert Vaughn Enochian, Roger E. Walters, William Edward Blackmore

Date de publication : 1963

Éditeur : U.S. Department of Agriculture, Agricultural Marketing Service, Market Quality Research Division

Nombre de pages : 24