一般注記Cover title
Distributed to depository libraries in microfiche
"April 1990"--P. i
Physical description for original version: vi, 66 p. : 28 cm
書誌注記Includes bibliographical references (p. 50-54)
原資料等に関する注記原資料の出版事項: Washington, DC (1301 New York Ave., NW, Washington 20005-4788) ; Rockville, MD : U.S. Dept. of Agriculture, Economic Research Service, Commodity Economics Division : ERS-NASS [distributor, 1990]
SUPTDOC番号: A 93.44: AGES 90-25
GPO管理番号: 0042-W-01 (MF)