Szukana fraza: [Tytuł = %22Natural environment of suburban areas as a development factor of big cities %5C: papers from a scientific conference of the COMECON subject I.3 %5C%22Evaluation and prognosis concerning the management of natural resources in the development of regions%5C%22%2C Jab%C5%82onna%2C Poland%2C 28.04. %5C- 03.05.1986%22]

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