1. Alm, G., 1959. Connection between maturity, size, and age in fishes. Report of the Institute for Freshwater Research, Drottningholm, 40: 1–145.
2. Bradshaw, A. D., 1965. Evolutionary significance of phenotypic plasticity in plants. Advances in Genetics, 13: 115–155.
3. Brown, G., 1993. Kinship and Social Dynamics in Juvenile Atlantic Salmon and Rainbow Trout: The Adaptive Role of Kin Discrimination. Ph. D. Thesis, Memorial University of Newfoundland, St. John’s, Newfoundland.
4. Charlesworth, B., 1980. Evolution in Age-Structured Populations. Cambridge University Press, Cambridge.
5. Charlesworth, B., 1990. Optimization models, quantitative genetics, and mutation. Evolution, 44: 520–538.