de Klerk, C.A., Viticultural and Oenological Research Institute, Stellenbosch, South Africa

• South African Journal of Enology and Viticulture Vol. 9 No. 1 (1988) - Articles
  Effect of Copperoxychloride on the Fermentation of Must and on Wine Quality
  Abstract  PDF
• South African Journal of Enology and Viticulture Vol. 8 No. 1 (1987) - Articles
  Chemical Control of Margarodes prieskaensis (Jakubski) ( Coccoidea: Margarodidae) on Grape-vines
  Abstract  PDF