1. Chemical control of insect and other pests of wine and dried grapes;de Klerk;Farming in South Africa, Oenology and Viticulture,1978
2. Chemiese Beheerprogram vir Wingerdsiektes en -plae vir die 1982/1983 seisoen;de Klerk;Boerdery in Suid Africa, Wynkunde en Wingerdbou,1982
3. The biology of the grape bud mite Eriophyes vitis (Pgst.);Kido;Hilgardia,1955
4. On the population and control of the mite Eriophyes vitis (Pgst.) infesting vineyards in Tahreer Province (Acarina: Eriophyidae);Osman;Bulletin of the Entomological Society of Egypt, Economic Series,1979