1. COUTANT, C.C., H.M. DUCHARME and J.R. FISHER: J. Fish. Res. Board Can.31, 351 (1974).
2. CRADDOCK, D.R.: In:Effects of Petroleum on Arctic and Subarctic Marine Environments and Organisms. D.C. MALINS (ed) Vol. II. pp. 1–93. Academic Press, Inc., New York (1977).
3. DIXIT, D. and J.W. ANDERSON: In:Proceedings of 1977 Oil Spill Conference Prevention, Behavior, Control, Cleanup pp. 633–636. American Petroleum Inst., Wash.D.C. (1977).
4. FARR, J.A.: Trans. Am. Fish. Soc.107,87 (1978).
5. FUJIHARA, M.P. and R.E. NAKATANI: Prog. Fish-Cult.29,172 (1967).