一般注記Shipping list no.: 91-824-P
"October 1991"--T.p. verso
"OTA-E-504"--P. [4] of cover
Physical description for original version: viii, 115 p. : 26 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, DC : Congress of the U.S., Office of Technology Assessment : For sale by the U.S. G.P.O., Supt. of Docs., [1991]
ISBN: 0160359201 (: )
SUPTDOC番号: Y 3.T 22/2: 2 Au 8/7
テクニカルリポート番号: OTA-E-504
GPO管理番号: 1070-M