1. Foster, J. W. & Kinney, D. M. CRC crit. Rev. Microbiol. 11, 273–298 (1985).
2. Moss, J. & Vaughan, M. Adv. Enzym. 61, 303–379 (1988).
3. van Heyningen, S. in Current Topics in Membranes and Transport Vol. 18, 445–471 (Academic, New York, 1983).
4. Finkelstein, R. A. in Immunochemical and Molecular Genetic Analysis of Bacterial Pathogens (eds Owen, P. & Foster, T. J.) 85–102 (Elsevier New York, 1988).
5. Geary, S. J., Marchlewicz, B. A. & Finkelstein, R. A. Infect. Immunity 36, 215–220 (1982).