n Bydrae tot die kennis van Planococcus citri (Risso) (Homoptera: Pseudococcidae)

Kriegler, P. J (1954)

Tesis (M. Sc. Agric.) -- Universiteit van Stellenbosch, 1954.

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Please refer to this item in SUNScholar by using the following persistent URL: http://hdl.handle.net/10019.1/56491
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