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  1. 1
    Fag “...Aquatic weeds New Zealand History....”
    Bog
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    A history of the lake-weed infestation of the Rotorua Lakes and the lakes of the Waikato Hydro-Electric System /
  2. 2
    Udgivet 1967
    Fag “...Aquatic weeds Control New Zealand Auckland (Region) Congresses....”
    Conference Proceeding Bog
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    Rotorua and Waikato water weeds: problems and the search for a solution : (Being the proceedings of the Rotorua Seminar on Water Weeds held on October 15th, 1966.) /

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