Showing 1 - 2 results of 2 for search 'Sweetman, Harvey L.', Forespørselstid: 0.00s Refine Results
  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 af Sweetman,Harvey L.

    Udgivet 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 af Sweetman, Harvey L.

    Udgivet 1936
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