Die Verspreiding, skadelikheid en beheer van die sitrusaalwurm, Tylenchulus Semipenetrans cobb 1913, in die Sondagsriviervallei [Microfiche]

Willers, Peter (1900)

Proefskrif (M.Sc.) -- Universiteit van Stellenbosch.

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Please refer to this item in SUNScholar by using the following persistent URL: http://hdl.handle.net/10019.1/69996
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