1. 1) J. G. Duman and A. L. DeVries: The effects of temperature and photoperiod on antifreeze production in cold water fishes. J. Exp.Zool., 190, 89-98 (1974).
2. 2) K. V. Ewart and G. L. Fletcher: Isolation and characterization of antifreeze proteins from smelt (Osmerus mordax) and Atlantic her-ring (Clupea harengus harengus). Can. J. Zool., 68, 1652-1658(1990).
3. 3) J. A. Raymond: Glycerol is an colligative antifreeze in some northern fishes. J. Exp. Zool., 262, 347-352 (1992).
4. 4) K. B. Storey and J. M. Storey: Biochemical adaption for freezing tolerance in the wood frog, Rana sylvatica. J. Comp. Physiol. B,155, 29-36 (1984).
5. 5) J. A. Raymond: Glycerol and water balance in a near-isosmotic teleost, winter-acclimatized rainbow smelt. Can. J. Zool., 71, 1849-1854 (1993).