Szukana fraza: [Bibliografia = "2. Arlinghaus R., Bork M., Fladung E., 2008, Understanding the heterogeneity of recreational anglers across an urban–rural gradient in a metropolitan area \(Berlin, Germany\), with implications for fisheries managemen, Fisheries Reaserch, 92, s. 53–62. https\:\/\/doi.org\/10.1016\/j.fishres.2007.12.012"]

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