References
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- Eloranta, A., in press: Grayling [Thymallus thymallus (L.)] in the lower part of the Rautalampi watercourse. — Jyväskylän yliopiston Biologian laitoksen Tiedonantoja (in Finnish, abstract in English).
- Hellawell, J. M., 1969: Age determination and growth of the grayling Thymallus thymallus (L.) of the River Lugg, Herefordshire. — J. Fish. Biol. 1: 373–382.
- Jones, J. W., 1953: Part I. Scales of roach. Part II. Age and growth of the trout, grayling, perch and roach of Llyn Tegid (Bala) and the roach from the River Birket. — Fishery Invest., Lond. (Ser. 1) 5 (7): 1–8.
- Lehtonen, H. & Salojärvi, K., 1978: Amateur fishing in Finland in 1975. — Suomen kalatalous 48: 41–55 (in Finnish, abstract in English).
- Odum, E. P., 1971: Fundamentals of ecology. — 574 pp., Philadelphia.
- Persat, H., 1977: Ecologie de l'Ombre commun. — Bull, franc, piscic. 50: 11–20.
- Seppovaara, O., 1982: Distribution, biology, fishery and management of the grayling (Thymallus thymallus L.) in Finland. — Riistaja kalatalouden tutkimuslaitos, kalantutkimusosasto. Monistettuja julkaisuja 5: 1–88 (in Finnish, summary in English).
- Thomas, J., 1964: Studies on the growth of trout Salmo trutta from four contrasting habitats. — Proc. zool. Soc. Lond. 142: 459–509.
- Westman, K., 1974: Endangered fish species and fish stocks, and their preservation and conservation in Finland. — Riistaja kalatalouden tutkimuslaitos, kalantutkimusosasto. Tiedonantoja 3: 1–24 (in Finnish).
- Woolland, J. & Jones, J., 1975: Studies on grayling, Thymallus thymallus L., in Llyn Tegid and the upper River Dee, North Wales. I. Age and growth. — J. Fish. Biol. 7: 749–773.