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    Design of traffic safety barriers 10 reports.

    Publicat 1971
    Llibre
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    Design of traffic safety barriers; 10 reports.

    Publicat 1971
    Llibre
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    Highway safety improvements 5 reports.

    Publicat 1970
    Llibre
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    Traffic flow theory 6 reports.

    Publicat 1970
    Llibre
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    Public transportation to airports.

    Publicat 1970
    Llibre
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    Getting the most from city streets per Sessions, Gordon

    Publicat 1968
    Llibre