Physical description for original version: vii, 145 p. : 26 cm
書誌注記
Includes bibliographies
原資料等に関する注記
原資料の出版事項: Washington, D.C. : Congress of the United States, Office of Technology Assessment : For sale by the Supt. of Docs., U.S. Govt. Print. Off., [1984, i.e. 1985]