1. Anonym: Fire blight of apple and pear. Ministry of Agriculture, Fisheries and Food, Advisory Leaflet 571 (1969), 10 S.
2. ARK, P. A., & SCHROTH, M. N.: Use of slices of carrot and other fleshy roots to detect crown gall bacteria in soil. Plant Dis. Reptr. 42 (1958): 1279–1281.
3. ARSENIJEVIć, M.: Further investigations on Pseudomonas syringae van Hall as pathogen of apricot in Yugoslavia. Zaštita Bilja 31 (1980): 121–127.
4. BEER, S. V., RUNDLE, J. R., & NORELLI, J. L.: Recent progress in the development of biological controls for fire blight. Acta Hort. 151 (1984): 195–201.
5. BILLING, E., CROSSE, J. E., & GARRETT, C. M. E.: Laboratory diagnosis of fire blight and bacterial blossom blight of pear. Plant Pathol. 9 (1960): 19–25.