Descripció
Descripció de l’ítem:Organized by a program committee appointed by the Symposium Advisory Committee of the Pennsylvania State University's School of Forest Resources and held under the auspices of the North Atlantic Treaty Organization and the National Science Foundation of the United States.
Organized by a program committee appointed by the Symposium Advisory Committee of the Pennyslvania State University's School of Forest Resources and held under the auspices of the Atlantic Treaty Organization and the National Science Foundation of the United States.
Descripció física:ix, 505 p. : illus., group ports. ; 26 cm.
Bibliografia:Includes bibliographies.