並列タイトル等Assessing erosion on US cropland
一般注記Distributed to depository libraries in microfiche
"July 1984"--P. [ii]
Physical description for original version: iv, 19 p. : 28 cm
原資料等に関する注記原資料の出版事項: Washington, D.C. ; Springfield, Va. : U.S. Dept. of Agriculture, Economic Research Service : Supt. of Docs., U.S. G.P.O. [distributor] : Identification Section, National Technical Information Service [distributor], 1984
SUPTDOC番号: A 1.107: 513
GPO管理番号: 42-C (microfiche)