Schwartz, A., Viticultural and Oenological Research Institute (YORI), Stellenbosch, South Africa

• South African Journal of Enology and Viticulture Vol. 11 No. 1 (1990) - Articles
  Pesticide Effect on Populations of Tetranychus urticae Koch (Acari: Tetranychidae) and a Predaceous Mite on Table Grapes in the Hex River Valley
  Abstract  PDF
• South African Journal of Enology and Viticulture Vol. 11 No. 1 (1990) - Articles
  An Evaluation of Chemicals for the Toxicity to Brown Snail (Helix aspersa Muller) on Grapevines
  Abstract  PDF