一般注記Distributed to depository libraries in microfiche
"May 1989"--P. iii
Errata slip inserted
Physical description for original version: vi, 72 p. ; 28 cm
書誌注記Includes bibliographical references (p. 11-13)
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, 1989]
SUPTDOC番号: A 93.44: AGES 89-20
GPO管理番号: 0042-W-01 (MF)