1. Achard, F.C. (1799). Ausführliche Beschreibung der Methode, nach welcher bei der Kultur der Runkelrübe verfahren werden muss. C.S. Spener, Berlin (reprinted Akademie-Verlag, Berlin, 1984). 63 pp.
2. Aldrich, R.J. (1984). Weed-crop Ecology — Principles in Weed Management. Breton Publishers, North Scituate, Massachusetts. 465 pp.
3. Bethlenfalvay, G. and Norris, R.F. (1977). Desmedipham phytotoxicity to sugar-beets (Beta vulgaris) under constant versus variable light, temperature, and moisture conditions. Weed Science, 25, 407–11.
4. Bevis, A.J. and Jewell, S.N. (1986). Preliminary results from the use of chemicals or cultivations to control potato groundkeepers. Aspects of Applied Biology, 13, Crop Protection of Sugar Beet and Crop Protection and Quality of Potatoes,pp. 201–8.
5. Bray, W.E. and Hilton, J.G. (1975). Changes over 25 years in the weed population in sugar-beet grown on a Norfolk farm. Troisième Réunion Internationale sur le Desherbage Sélectif en Cultures de Betteraves, 389–94.