References
- De Lury, D. B., 1947: On the estimations of biological populations. — Biometrics 3 (4): 145–167.
- Kołder, W. Skóra, S. & Włodek, J. M., 1974: Ichthyofauna of the river Raba and of its tributaries. — Acta Hydrobiologica 16 (1): 65–99.
- Le Cren, E. D., 1969: Estimates of fish populations and production in small streams in England. — In: Symposium on trout and salmon in streams: 269–280. Univ. of British Columbia.
- Libosvarský, J., 1962: Application of DE Lury method in estimating the weight of fish stock in small streams. — Int. Rev. ges. Hydrobiol. 47 (4): 515–521.
- Libosvarský, J. & Lelek, A., 1965: Occurrence of fishes in Loučka Creek [in czech with English summary]. –Zool. Listy 15: 47–54.
- Seber, G. A. & Le Cren, E. D., 1967: Estimating population parameters from catches large relative to the population. — J. Animal. Ecol. 36 (3): 631–643.
- Włodek, J. M., 1975: Initial results of ichthyofauna investigations in three drainage basins of Western Little Poland (Raba, Skawa, Soła) [in Polish], — Postępy Nauk Rolniczych 1/75: 107–121.
- Włodek, J. M. 1976: The interdependence of fish biomass and the content of different chemical components of fresh water, [in Polish with English summary], — Archiwum Ochrony Środowiska 2: 179–185.