1. Agerberg, A. 1990. Genetic variation in three species of freshwater crayfish, Astacus astacus L., Astacus leptodactylus Aesch., and Pacifastacus leniuscuius (Dana), revealed by isozyme electrophoresis. - Hereditas 113: 101–108.
2. Åkerman, S.-E. 1992. Ett försök med återintroduktion av flodpärlmussla (Margaritifera margaritifera) i Silverån 1992. [Experimental reintroduction of freshwater pearl mussel (Margaritifera margaritifera) in the River Silverån 1992.] - Kalmar County Council, Inform. (No. 384–10483–92).
3. Alenäs, I. 1986. Kalkningsprojektet Härskogen 1976–1986. Vattenkemisk och biologisk respons på kalkningsåtgärder i sju västsvenska sjöar. [The Härskogen liming project 1976–1986. Chemical and biological response to liming measures in seven lakes in western Sweden.] - Swedish Environm. Res. Inst., B 846.
4. Altukhov, Y.P. and Salmenkova, E.A. 1990. Introductions of distinct stocks of chum salmon, Onchorhynchus keta (Walbaum), into natural populations of the species. - J. Fish Biol. 37 ( Suppl. A): 25–33.
5. Amundsen, P.-A. 1989. Effects of intensive fishing on food consumption and growth of stunted freshwater fish populations. - PhD thesis, Dep. Aquat. Biol., Univ. Tromsö.