一般注記Distributed to depository libraries in microfiche
"June 1990"--P. iii
Physical description for original version: vi, 28 p. ; 28 cm
書誌注記Includes bibliographical references (p. 25-28)
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) : U.S. Dept. of Agriculture, Economic Research Service, Commodity Economics Division, 1990
SUPTDOC番号: A 93.44: AGES 90-37
GPO管理番号: 42-W-01 (MF)