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  The Balkan Lake Ohrid and Its Living World - Siniša Stanković - Google Books

  https://books.google.de/books?id=lsjRAAAAMAAJ&dq=severe%2Bwinter%2B1948

  Keine Beschreibung vorhanden.

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  Limnological and Engineering Analysis of a Polluted Urban Lake: Prelude to ... - Google Books

  https://books.google.de/books?id=zcTdBgAAQBAJ

  Onondaga Lake in Syracuse, New York is a model for the analysis and management of a polluted urban lake. Sometimes referred to as "the most polluted lake in the United States", Onondaga Lake is one of only two lakes for which a federal advisory body has…

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