1. Carabids in sugar beet crops and their possible role as aphid predators;Dunning;Ann. appl. Biol.,1975
2. The role of the aphid host plant in delaying economic damage levels in crops;Emden;Ann. appl. Biol.,1965
3. Foster , G. N. van Emden , H. F. Population dynamics on potatoes Mackauer , M. Biological control of aphids, with emphasis on Myzus persicae Cambridge University Press
4. Surveys of sugar beet seed crops, mangold clamps and weeds in England for aphids and viruses. 1963-73;Heathcote;J. agric. Sci. (Camb.),1975
5. Varietal resistance to yellows, vector control and planting date as factors in the suppression of yellows and mosaic of sugar beet;Hills;Phytopathology,1969