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A technical memorandum / Congress of the United States, Office of Technology Assessment
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出版社:
Congress of the U.S., Office of Technology Assessment : For sale by the Supt. of Docs., U.S. G.P.O.,
出版日期: [1980].
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出版社:
Congress of the U.S., Office of Technology Assessment :
出版日期: 1981.
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出版社:
Congress of the U.S., Office of Technology Assessment :
出版日期: 1982.
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