Rask, M. (1987). On the ecology of perch, Perca fluviatilis L., in acid waters of Southern Finland.
Chicago Style (17th ed.) CitationRask, Martti. On the Ecology of Perch, Perca Fluviatilis L., in Acid Waters of Southern Finland. 1987.
MLA (9th ed.) CitationRask, Martti. On the Ecology of Perch, Perca Fluviatilis L., in Acid Waters of Southern Finland. 1987.
Warning: These citations may not always be 100% accurate.