1. Farrah, S. R. in Phage Ecology (eds. Goyal, S. M., Gerba, C. P. & Bitton, G.) 125–136 (Wiley, New York, 1987).
2. Moebus, K. in Phage Ecology (eds Goyal, S. M., Gerba, C. P. & Bitton, G.) 137–156 (Wiley, New York, 1987).
3. Wiggins, B. A. & Alexander, M. Appl. envir. Microbiol. 49, 19–23 (1985).
4. Frank, H. & Moebus, K. Helgoländerwiss. Meeresunters. 41, 385–414 (1987).
5. Bradley, D. E. Bact. Rev. 31, 230–314 (1967).