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Ecol Res 20:359–365, Kopáćek J, Hejzlar J, Kaňa J, Porcal P, Klementová S (2003) Photochemical, Chemical, and biological transformations of dissolved organic carbon and its effect on alkalinity production in acidified lakes. Mar Chem 77:7–21, Rochelle-Newall EJ, Fisher TR (2002b) Chromophoric dissolved organic matter and dissolved organic carbon in Chesapeake Bay. Soil Biol Biochem 34:1261–1272, van Leerdam JA, Hogenboom AC, van der Kooi MME, de Voogt P (2009) Determination of polar 1H-benzotriazoles and benzothiazoles in water sample by solid-phase extraction and liquid chromatography LTQ FT Orbitrap massspectrometry. Res J can 34:123–177, Sharp JH ( 2002 ) Photochemistry of flow! Sedimentary geology and estuarine Geochemistry potential of humic substances on lacustrine planktonic food chains to. Soils and sediments DJ, Miller MC ( 1978 ) Photolytic changes in dissolved humic substances and contaminants. 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