1. Berg, H. C., D. B. Bromley, and N. W. Charon. 1978. Leptospiral motility. Symp. Soc. Gen. Microbiol.28:285-294.
2. Davis, R. E. 1979. Spiroplasmas: newly recognized arthropod-borne pathogens, p. 451-484. In K. Maramorosch and K. F. Harris (ed.), Leafhopper Vectors and Plant Disease Agents. Academic Press, Inc., New York, N.Y.
3. Purcell, E. M. 1977. Life at low Reynolds number. Am. J. Physics45:3-11.
4. Trachtenberg, S., and R. Gilad. 2001. A bacterial linear motor: cellular and molecular organization of the contractile cytoskeleton of the helical bacterium Spiroplasma melliferum BC3. Mol. Microbiol.41:827-848.