por Harlow, William Morehouse, 1900-.
por Jacquiot, Clément | Trenard, Yvonne [joint author.] | Dirol, Danièle [joint author.].
por Siau, John F.
por Advanced Science Seminar (1964 : Pinebrook Conference Center) | Côté, Wilfred A [ed.] | State University College of Forestry at Syracuse University.
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