Bradbury, J.F., 1970. Isolation and preliminary study of bacteria from plants. Rev. Pl. Path., 49, 213-218.
   Dinesen, I. G., 1984. The extraction and diagnosis of Corynebacterium sepedonicum from diseased potato tubers. EPPO Bull. 14 (2), 147-152.
   Doetsch, R. N., 1981. Determinative methods of light microscopy. In : Manual of methods for general bacteriology, American Society for Microbiology, Washington, 21-23.
   Hugh, R. and Leifson, F., 1953. The taxonomic significance of fermentative versus oxidative metabolism of carbohydrates by various gram-negative bacteria. J. Bact., 66, 24-26.
   Janse, J. D. and Van Vaerenbergh, J. The interpretation of the EC method for the detection of latent ring rot infections (Corynebacterium sepedonicum) in potato. EPPO Bull., n° 17, 1987, p. 1-10.
   Kovacs, N., 1956. Identification of Pseudomonas pyocyanea by the oxidase reaction. Nature, Lond., 178, 703.
   Lelliott, R. A., 1966. The plant pathogenic coryneform bacteria. J. appl. Bact., 29, 114-118.
   Lelliott, R. A., Billing, E. and Hayward, A. C., 1966. A determinative scheme for the fluorescent plant pathogenic pseudomonads J. appl. Bact., 29, 470-489.
   Lelliott, R. A., and Sellar, P. W., 1976. The detection of latent ring rot (Corynebacterium sepedonicum <Spiek. et Kotth.> Skapt. et Burkh.) in potato stocks. EPPO Bull., 6 (2), 101-106.
   Ramamurthi, C. S., 1959. Comparative studies on some Gram-positive phytopathogenic bacteria and their relationship to the Corynebacteria. Mem Cornell agric. Exp. Sta., 366, 52 p.
   Skerman, V. B. D., 1967. A guide to the identification of the genera of bacteria. 2nd ed., William and Wilkins Company, Baltimore.
   Sneath, P. H. A. and Collins, V. G., 1974. A study in test reproductibility between laboratories : report of Pseudomonas working party. Antonie van Leeuwenhoek, 40, 481-527.
   (1) Une autre méthode d'extraction est donnée par Dinesen, 1984.    (2) Il est prouvé (Janse et Van Vaerenbergh, 1987) que la congélation peut réduire la viabilité de C. m. subsp. sepedonicus. Employer une solution de glycérol à 10 p. 100 pour y mettre en suspension l'extrait concentré pourrait constituer la solution à ce problème.