一般注記Cover title
Distributed to depository libraries in microfiche
Shipping list no.: 93-0568-M
"February 1963."
Physical description for original version: ii, 41 p. ; 28 cm
原資料等に関する注記原資料の出版事項: Washington, D.C. : Resource Development Economics Division, Economic Research Service, U.S. Dept. of Agriculture ; in cooperation with Purdue University Agricultural Experiment Station, 1963
SUPTDOC番号: A 93.2: ST 9
GPO管理番号: 0042-T (MF)