Torthaí cuardaigh

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    Land degradation and society de réir Blaikie, Piers

    Foilsithe / Cruthaithe 1987
    LEABHAR
  8. 8

    Land resources now and for the future de réir Young, Anthony

    Foilsithe / Cruthaithe 1998
    LEABHAR
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  10. 10

    The croplands the closing frontier

    Foilsithe / Cruthaithe 1990
    Visual Material