by
Gordon, Donald A.
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Books
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Night visibility of overhead guide signs : a review of the literature. Gordon, Donald A.
by
United States. Federal Highway Administration. Office of Research.
Format:
Books
Excerpt:
V. 1. Literature review and methodology. Introduction -- Survey of pertinent literature
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United States. Federal Highway Administration. Offices of Research and Development.
Format:
Books
Excerpt:
flashing light and crossbuck warning devices. Included are a literature review, review of data sources
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