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  1. 1

    Design of traffic safety barriers; 10 reports.

    Published 1971
    Book
  2. 2

    Highway safety improvements 5 reports.

    Published 1970
    Book
  3. 3

    Traffic flow theory 6 reports.

    Published 1970
    Book
  4. 4

    Public transportation to airports.

    Published 1970
    Book

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