1. Brett, J. R.: Rate of gain of heat tolerance in goldfish Carassius auratus Univ. Toronto Studies Biol. Ser. 52 [=Publs Ont. Fish. Res. Lab. 64, 9?28] (1946).
2. ?: Implications and assessments of environmental stress. In: The investigation of fish-power problems, pp 69?83. sEd. by P. A. Larkin, H. R. Labkin MacMillan Lectures in Fisheries. Vancouver, Can.: Univ. British Columbia 1958.
3. Dehnel, P. A.: Effect of temperature and salinity on the oxygen consumption of two intertidal crabs. Biol. Bull. mar. biol. Lab., Woods Hole 118 (2), 215?249 (1960).
4. Fry, F. E. J.: Effects of the environment on animal activity. Univ. Toronto Studies Biol. Ser. 55 [=Publs Ont. Fish. Res. Lab. 68, 1?62] (1947).
5. Job, S. V.: The oxygen consumption of Salvelinus fontinalis. Univ. Toronto Studies Biol. Ser. 61 [=Publs Ont. Fish. Res. Lab. 73, 1?39] (1955).