一般注記Cover title
Distributed to depository libraries in microfiche
"April 1989"--P. i
Physical description for original version: iv, 33 p. ; 28 cm
書誌注記Includes bibliographical references (p. 28-30)
原資料等に関する注記原資料の出版事項: [Washington, D.C.] ; Rockville, MD (P.O. Box 1608, Rockville 20850) : U.S. Dept. of Agriculture, Economic Research Service : ERS-NASS, [distributor, 1989]
SUPTDOC番号: A 1.107: 608
GPO管理番号: 42-C (MF)