1. Anderson, J. W., Riley, R. G., and Bean, R. M.: 1978,J. Fish. Res. Board Can. 35, 776.
2. Blumer, M. and Sass, J.: 1972,Science 176, 1120.
3. Brown, D. W., Friedman, A. J., Burrows, D. G., Snyder, G. R., Patten, B. G. Ames, W. E., Ramos, L. S., Prohaska, P. G., Gennero, D. D., Duncan, D. D., Vyeda, M. Y., and McLeod, W. D., Jr.: 1979, Investigation of petroleum in Marine Environs of the Strait of Juan de Fuca and Northern Puget Sound', U.S. Environmental Protection Agency, Publication No. EPA-600/7-79-164.
4. Everett, K. R.: 1978,Arctic 31, 260.
5. Fedorak, P. M. and Westlake, D. W. S.: 1981,Can. J. Microbiol. 27, 432.