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N. Vance ; Seminar series on sustainable forestry, Corvallis, USA, October-November 1995 (1995; USA) ; J. Thomas | Washington, USA : USDA Forest service | General technical report GTR-WO-63 | 1997Although North American forests traditionally have been viewed as a source of wood and paper, a variety of profitable products are being discovered that come not only from trees, but from nonwoody plants, lichens, fungi, algae, and microorganism[...]
