1 - 2 toradh á dtaispeáint as 2 toradh san iomlán ar an gcuardach 'Sweetman, Harvey L.', am iarratais: 0.00s Beachtaigh na torthaí
  1. 1
    The principales of biological control : interrelation of hosts and pests and utilization in regulation of animal and plant populations

    The principales of biological control : interrelation of hosts and pests and utilization in regulation of animal and plant populations de réir Sweetman,Harvey L.

    Foilsithe / Cruthaithe 1958
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  2. 2
    The biological control of insects: with a chapter on weed control

    The biological control of insects: with a chapter on weed control de réir Sweetman, Harvey L.

    Foilsithe / Cruthaithe 1936
    LEABHAR
    Cuir le mo chuid Ceanán
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