FishBase References for Olin, M., M. Rask, J. Ruuhijärvi, M.
Kurkilahti, P. Ala-Opas and O. Ylönen,
2002

Ref. No.	Title
47816	Fish community structure in mesotrophic and eutrophic lakes of southern Finland: the relative abundances of percids and cyprinids along a trophic gradient.

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FishBase References for Olin, M., M. Rask, J. Ruuhijärvi, M.Kurkilahti, P. Ala-Opas and O. Ylönen,2002