一般注記Distributed to depository libraries in microfiche
"July 1990."
Papers selected from the symposium at the 4th World Wilderness Congress in Estes Park, Colorado, Sept. 14-18, 1987
Physical description for original version: 197 p. : 28 cm
書誌注記Includes bibliographical references
原資料等に関する注記原資料の出版事項: Fort Collins, Colo. : U.S. Dept. of Agriculture, Forest Service, Forest Service, Rocky Mountain Forest and Range Experiment Station, [1990]
SUPTDOC番号: A 13.88: RM-193
GPO管理番号: 83-B-6 (MF)