References
- Engel, S. & Magnuson, J. J., 1976: Vertical and horizontal distributions of coho salmon (Oncorhynchus kisutch), yellow perch (Perca flavescens), and cisco (Coregonus artedii) in Pallette Lake, Wisconsin. — J. Fish. Res. Bd. Canada 33: 2710–2715.
- Northcote, T. G. & Rundberg, H., 1970: Spatial distribution of pelagic fishes in Lambarfjärden (Mälaren, Sweden) with particular reference to interaction between Coregonus albula and Osmerus eperlanus. — Rep. Inst. Freshwat. Res. Drottningholm 50: 133–167.