一般注記Distributed to depository libraries in microfiche
"August 1990"--P. iii
Physical description for original version: iv, 16 p. ; 28 cm
書誌注記Includes bibliographical references (p. 15-16)
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) : U.S. Dept. of Agriculture, Economic Research Service, Commodity Economics Division : ERS-NASS [distributor, 1990]
SUPTDOC番号: A 93.44: AGES 90-56
GPO管理番号: 0042-W-01 (MF)