1. Bakun, A., 1996. Patterns in the Ocean—Ocean Processes and Marine Population Dynamics. California Sea Grant College System, La Jolla, 323pp.
2. Beamish, R. J. (Ed.), 1995. Climate Change and Northern Fish Populations. Canadian Special Publication of Fisheries and Aquatic Sciences 121, 739pp.
3. On the accuracy of cod estimations;Bleil;ICES C. M D,1993
4. Die Fruchtbarkeit des Dorsches (Gadus morhua L.) in der westlichen Ostsee und den westnorwegischen Gewässern;Botros;Kieler Meeresforschungen,1962
5. Physiological ecology in cold ocean fisheries;Boutilier,1998