一般注記Cover title
Distributed to depository libraries in microfiche
"August 1990."
Physical description for original version: 67 p. : 28 cm
書誌注記Includes bibliographical references (p. 24-26)
原資料等に関する注記原資料の出版事項: Portland, Or. (319 S.W. Pine St., P.O. Box 3890, Portland 97208) : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [1990]
SUPTDOC番号: A 13.78: PNW-RP-424
GPO管理番号: 83-B (MF)