一般注記Shipping list no.: 91-362-P
"September 1990"--P. [4] of cover
"OTA-SET-442"--P. [4] of cover
Physical description for original version: vii, 78 p. ; 27 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. : Congress of the U.S., Office of Technology Assessment : For sale by the Supt. of Docs., U.S. G.P.O., [1990]
ISBN: 0160263239 (: )
SUPTDOC番号: Y 3.T 22/2: 2 In 8/5
テクニカルリポート番号: OTA-SET-442
GPO管理番号: 1070-M