http://www.fao.org/fi/eims_search/simple_s_result_1252.asp?querystring=Perca%20fluviatilis,European%20perch*&owner=fi&xml=y&xml_no_subject=y&FORM_C=AND&sortorder=3Results for «Perca%20fluviatilis,European%20perch*»
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Synopsis of biological data on the perch Perca fluviatilis Linnaeus, 1758 and Perca flavescens Mitchill, 1814 FAO Fisheries Synopsis 113  | 1977 | |