一般注記"Prepared in the National Economics Division by Alden C. Manchester ..."--P. iii
Distributed to depository libraries in microfiche
"April 1986"--P. iii
Physical description for original version: vii, 27 p. : 28 cm
原資料等に関する注記原資料の出版事項: [Washington, D.C.] : U.S. Department of Agriculture, Economic Research Service, National Economics Division, 1986
SUPTDOC番号: A 93.44: AGES 860321
GPO管理番号: 42-W-1 (microfiche)