一般注記Distributed to depository libraries in microfiche
"March 1990"--P. iii
Physical description for original version: iv, 23 p. ; 28 cm
書誌注記Includes bibliographical references (p. 22-23)
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 90-16
GPO管理番号: 0042-W-01 (MF)