1 - 1 toradh á dtaispeáint as 1 toradh san iomlán ar an gcuardach 'Livingston, Clifton W., comp', am iarratais: 0.01s Beachtaigh na torthaí
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    An introduction to the design of underground openings for defense de réir Livingston, Clifton W., comp

    Foilsithe / Cruthaithe 1951
    LEABHAR

    An introduction to the design of underground openings for defense

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