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• Ecological relations and temporal changes in the pelagial of the high mountain lakes in the Rila Mountains (Bulgaria)

  Roumen KALCHEV, Ivan BOTEV, Milena HRISTOZOVA, Wesselin NAIDENOW†, Galerida RAIKOVA-PETROVA, Maya STOYNEVA, Dobrina TEMNISKOVA-TOPALOVA, Teodora TRICHKOVA

  90-100

  01-02-2004

  Published: 1 February 2004

  2485

  PDF: 876