一般注記Distributed to depository libraries in microfiche
"September 1991"--P. iii
Includes indexes
Physical description for original version: ix, 33 p. ; 28 cm
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, Agriculture and Trade Analysis Division : ERS-NASS [distributor, 1991]
SUPTDOC番号: A 93.44: AGES 91-47
GPO管理番号: 42-W-1 (MF)