一般注記Distributed to depository libraries in microfiche
"January 1990"--P. iii
Physical description for original version: v, 21 p. ; 28 cm
書誌注記Includes bibliographical references (p. 17-18)
原資料等に関する注記原資料の出版事項: Washington, DC ; Rockville, MD (P.O. Box 1608, Rockville 20849-1608 [distributor : U.S. Dept. of Agriculture, Economic Research Service, Commodity Economics Division, 1990]
SUPTDOC番号: A 93.44: AGES 90-03
GPO管理番号: 42-W-1 (MF)