1. L. W. Moore, A. Anderson, and C. I. Kado, in “Laboratory Guide for Identification of Plant Pathogenic Bacteria,” ed. by Schaad, American Phytophathological Societyl St. Paul, Minesotal 1980, pp. 17–25.
2. K. Kersters and J. D. Ley, in “Bergey’s Manual of Systematic Bacteriology,” Vol. 1, ed. by N. R. Krieg and J. G. Holt, Williams and Wilkins Co., Baltimore, 1984, pp. 244–254.