一般注記Cover title
Distributed to depository libraries in microfiche
"April 1991"--P. [2] of cover
Physical description for original version: 19 p. : 28 cm
書誌注記Includes bibliographical references (p. 10-11)
原資料等に関する注記原資料の出版事項: Fort Collins, Colo. (240 W. Prospect Rd., Fort Collins, 80526) : U.S. Dept. of Agriculture, Forest Service, Rocky Mountain Forest and Range Experiment Station, [1991]
SUPTDOC番号: A 13.78: RM-295
GPO管理番号: 83-B (MF)