Literature
- Brown, M. E., 1957: The Physiology of Fishes. — Academic Press, Inc. New York. p. 395.
- Carlander, K. D., 1950: Handbook of Freshwater Fishery Biology. — Wm. C. Brown Co. Iowa. p. 8.
- Dobie, J., 1955: Walleye Ponds, 1954. — Minnesota Fish Research Unit. Investigational Report No. 154, 1–17.
- Dobie, J. 1956: Raising Bait Fishes. — U. S. Government Printer, p. 75.
- Dobie, J. 1956: Walleye Pond Management in Minnesota. — Progressive Fish-Culturist 18, 2, p. 54.
- Forney, J. L., 1957: Bait Fish Production in New York Ponds. — New York Fish and Game J. 4, 2, p. 177.
- Osborn, P., 1963: Conversation with the Author.
- Schäferclaus, W., 1933: Textbook of Pond Culture. — p. 148. (in German).