Szukana fraza: [Bibliografia = "9. Degórska, B. and Degórski, M. \(2010\), The influence of twenty years of socio\-economic transformations on the quality of natural environment in Poland, in Kitowski, J. \(ed.\), 20 years of socio\-economic transformation in countries of Central and Eastern Europe—an attempt of accounts, Geopolitical Studies, 16\: 253–274."]

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