Physical description for original version: xvii, 117 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. (Second and D Sts., S.W., Washington 20515) : Congress of the U.S., Congressional Budget Office : For sale by the Supt. of Docs., U.S. G.P.O., [1993]