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  1. 1
    by Holroyd, Joyce
    Published 1971
    Book

    Measuring the effectiveness of area traffic control systems
  2. 2
    by Holroyd, Joyce
    Published 1971
    Book

    The Glasgow experiment PLIDENT and after
  3. 3
    by Almond, Joyce
    Published 1968
    Book

    The Glasgow experiment implementation and assessment
  4. 4
    by Webster, F. V.
    Published 1967
    Book

    Effect of right-turning vehicles at traffic signals
  5. 5
    by Mackie, A. M.
    Published 1967
    Book

    Progress in learning the meanings of symbolic traffic signs
  6. 6
    by Mackie, A. M.
    Published 1966
    Book

    A national survey of knowledge of the new traffic signs
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