一般注記Distributed to depository libraries in microfiche
"August 1990"--P. iii
Physical description for original version: iv, 41 p. ; 28 cm
書誌注記Includes bibliographical references
原資料等に関する注記原資料の出版事項: Washington, DC ; Rockville, MD : U.S. Dept. of Agriculture, Economic Research Service, Agriculture and Trade Analysis Division : ERS-NASS [distributor, 1990]
SUPTDOC番号: A 93.44: AGES 90-58
GPO管理番号: 0042-W-01 (MF)