一般注記Distributed to depository libraries in microfiche
"For limited distribution to the research community outside the U.S. Department of Agriculture"--P. iii
"November 1985"--P. iii
Physical description for original version: vii, 42 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. Dept. of Agriculture, Economic Research Service, Natural Resource Economics Division, 1985
SUPTDOC番号: A 93.44: AGES 851021
GPO管理番号: 42-W-1 (microfiche)