一般注記Distributed to depository libraries in microfiche
"September 1986"--P. 8
"This report was reproduced for limited distribution to the research community outside the U.S. Department of Agriculture"--p. iii
Physical description for original version: iv, 11 p. : 28 cm
書誌注記Includes bibliographical references
原資料等に関する注記原資料の出版事項: [Washington, D.C.] : U.S. Dept. of Agriculture, Economic Research Service, Agriculture and Rural Economics Division, 1986
SUPTDOC番号: A 93.44: AGES 860731
GPO管理番号: 42-W-1 (microfiche)