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  1. 1

    Radiation, radioisotopes and rearing methods in the control of insect pests proceedings of a panel ...

    I whakaputaina 1968
    Pukapuka


    Ata uhi
  2. 2

    Sterile-male technique for eradication or control of harmful insects proceedings

    I whakaputaina 1969
    Pukapuka


    Ata uhi

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