1. V. Siegel, S. Nicol, in Krill Biology, Ecology, and Fisheries, I. Everson, Ed. (Blackwell Science, Oxford, 2000), pp. 103–149.
2. P. C. Bradbury, in Parasitic Protozoa, J. P. Kreier, Ed. (Academic Press, San Diego, 1994), vol. 8, pp. 139–263.
3. G. M. Capriulo, E. B. Small, Dis. Aquat. Org.1, 141 (1986).
4. G. M. Capriulo, M. J. Pedone, E. B. Small, Mar. Ecol. Progr. Ser.72, 203 (1991).
5. R. M. Anderson, R. M. May, J. Anim. Ecol.47, 219 (1978).