1. Amoros, C., J.-C. Rostan, G. Pautou & J.-P. Bravard. 1987. The reversible process concept applied to the environmental management of large river systems. Env. Manag. 11: 607–618.
2. Balon, E. 1956. Neres a postembryonâlny vÿvoj plotice (Rutilus rutilus ssp.) ( Spawning and postembryonic development of the roach ). Biologické prate 2: 7–60 (in Slovak).
3. Balon, E.K. 1975. Terminology of intervals in fish development. J. Fish. Res. Board Can. 32: 1663–1670.
4. Balon, E.K. 1976. A note concerning Dr Richards’ comments. J. Fish. Res. Board Can. 33: 1254–1256.
5. Balon, E.K. 1979. The theory of saltation and its application in the ontogeny of fishes: steps and thresholds. Env. Biol. Fish. 4: 97–101.