1 - 1 toradh á dtaispeáint as 1 toradh san iomlán ar an gcuardach 'Schoppert, David W.', am iarratais: 0.01s Beachtaigh na torthaí
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    Factors influencing safety at highway-rail grade crossings de réir Schoppert, David W.

    Foilsithe / Cruthaithe 1968
    LEABHAR

    Factors influencing safety at highway-rail grade crossings

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