1. The relative influence of the factors which determine the spray droplets density required to control the glasshouse whitefly, Trialeurodes vaporarorium;Adams;Aspects of Applied Biology,1987
2. Assessment of wettability of leaves by dipping in crystal violet;Amsden;World Review of Pest Control,1966
3. Spray retention: effects of surfactants and plant species;Anderson;Aspects of Applied Biology,1987