一般注記Cover title
Distributed to depository libraries in microfiche
Shipping list no.: 92-0506-M
"April 1989"--P. iii
Physical description for original version: iv, 61 p. : 28 cm
書誌注記Includes bibliographical references (p. 38)
原資料等に関する注記原資料の出版事項: [Washington, DC] : U.S. Dept. of Agriculture, Economic Research Service, Resources and Technology Division, [1989]
SUPTDOC番号: A 93.44: AGES 89-10
GPO管理番号: 0042-W-01 (MF)