F. Janson el al books & textbook
Pomona [Winter 1982, Volume XV, No. 1] (Pomona, Journal of the North American Fruit Explorers (NAFEX), Winter 1982, Volume XV, No. 1)
L. Dossimor L. Rosenvold R. Nitschke D. Cain S. H. Wittwer H. T. Converse J. Janick Mrs. D. Hofstetter F. H. Emerson F. Janson el al John R. Lane
North American Fruit Explorers (NAFEX) /1982T Journal / 68 Pages
