1. Colwell, R. R., J. Kaper, R. Seidler, M. J. Voll, L. A. McNicol, S. Gargas, H. Lockman, D. Maneval, E. Remmers, S. W. Joseph, H. Bradford, N. Roberts, I. Huq and A. Huq: Isolation of 01 and non-01 Vibrio cholerae from estuaries and brackish water environments. In: Proceedings of the Fifteenth U.S.-Japan Cooperative Medical Science Program Joint Conference on Cholera, pp 44?56. Bethesda, MD: US Department of Health, Education and Welfare 1980
2. Fletcher, M. and K. C. Marshall: Are solid surface of ecological significance to aquatic bacteria? In: Advances in microbial ecology, Vol. 6. pp 199?236. Ed. by K. C. Marshall. New York and London: Plenum Press 1982
3. Fukami, K., U. Simidu and N. Taga: Distribution of heterotrophic bacteria in relation to the concentration of particulate organic matter in seawater. Can. J. Microbiol. 29, 570?575 (1983)
4. Hickman, C. P.: Biology of the invertebrates, 673 pp. St. Louis, MO: C.V. Mosby Co. 1967
5. Hobbie, J. E., O. Holm-Hansen, T. T. Packard, L. R. Pomeroy, R. W. Sheldon, J. P. Thomas and W. J. Wiebe: A study of the distribution and activity of microorganisms in ocean water. Limnol. Oceanogr. 17, 544?555 (1972)