An informational guide for roadway lighting.
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企业作者: | |
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格式: | 图书 |
语言: | English |
出版: |
Washington, :
American Association of State Highway Officials,
1969.
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主题: |
实物描述: | 22 p. : illus. ; 23 cm. |
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参考书目: | Bibliography: p. 21-22. |