1. Aksnes, A., Gjerde, B. and Roald, S.O. (1986) Biological, chemical and organoleptic changes during maturation of farmed Atlantic salmon, Salmo salar. Aquaculture 53, 7?20.
2. Alm, G. (1959) Connection between maturity, size, and age in fishes. Rep. Inst. Freshwat. Res., Drottningholm 40, 5?145.
3. Andersson, M. (1994) Sexual selection. Princeton: Princeton University Press. 599 pp.
4. Anonymous (1980) Investigation into the alleged decline in the migratory salmonids: final report. Wessex Wat. Authority Rep. 40 pp.
5. Anonymous (1990) Annual Report. Farran Laboratory, Newport, Mayo, Ireland: The Salmon Research Trust of Ireland Incorporated. No. 34. 71 pp.