Hydropower, an energy source whose time has come again : report to the Congress /
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企業作者: | |
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格式: | 圖書 |
語言: | English |
出版: |
[Washington, D.C.] :
U.S. General Accounting Office,
1980.
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主題: |
Item Description: | Cover title. |
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實物描述: | v, 85 p. : ill. ; 27 cm. |
參考書目: | Includes bibliographical references. |