Physical description for original version: 11 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: Portland, OR (333 S.W. First Ave., Portland 97208-3890) : U.S. Dept. of Agriculture, Forest Service, Pacific Northwest Research Station, [1999]