一般注記Cover title
Distributed to depository libraries in microfiche
"November 27, 1989"--P. [2] of cover
Physical description for original version: 32 p. : 28 cm
書誌注記Includes bibliographical references (p. 14-15)
原資料等に関する注記原資料の出版事項: St. Paul, Minn. (1992 Folwell Avenue, St. Paul, 55108) : U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station, [1989]
SUPTDOC番号: A 13.88: NC-136
GPO管理番号: 0083-B-06 (MF)