1. Stability of strains of sugar beet yellows virus and influence of host genotype on the symptoms;Björling;Socker handlingar II,1961
2. Effect of different modes of vector inoculation on symptoms and yield reduction by beet yellows virus;Björling;Socker handlingar II,1963
3. The estimation of percentage light interception from leaf area index and percentage of ground cover in potatoes;Burstall;J. Agric. Sci.,1983
4. A tale of two epidemics;Dewar;Brit. Sug. Beet Rev.,1991
5. The yellowing virus diseases of beet;Duffus;Adv. Virus Res.,1973