1. Baryshev, I.A., Veselov, A.E., and Bakhmet, A.N., Diurnal Dynamics of Drift of Invertebrates and Smolts of the Atlantic Salmon in the Indera River (the Kola Peninsula), Abstracts, XIth Conf. “Aktualnye problemy biologii i ekologii (Urgent Problems of Biology and ecology), Syktyvkar: Inst. Biol. Komi Research Center, Ural Branch, RAS, 2004, pp. 23–24.
2. Braithwaite, H., A Sonar Fish Counter, J. Fish. Biol., 1971, vol. 3, no. 1, pp. 73–82.
3. Braithwite, H., Sonar Fish Counting, EIFAC Techn. Pap., 1975, no. 23, Suppl. 1/1, pp. 369–380.
4. Enders, E. and Clarke, R. Comparison between PIT a Radio Telemetry to Evaluate Winter Habitat Use and Activity Patterns of Juvenile Atlantic Salmon and Brown Trout, Hydrobiologia, 2007, 582, no. 1, pp. 231–242.
5. Gray, R. and Haynes, J., Spawning Migration of Adult Chinook Salmon (Oncorhynchus tschawytscha) Carrying External and Internal Radio Transmitters, J. Fish. Res. Board Can., 1979, vol. 36, no. 9, pp. 1060–1064.