1
Humic substances and organic matter in soil and water environments : characterization, transformations and interactions : proceedings of the 7th International conference of the International Humic Substances Society, University of the West Indies, St. Augustine, Trinidad and Tobago, 3-8 July 1994 /
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2
Organic substances and sediments in water vol 0001: humics and soils : In 3 vols : Symposium organic substances and sediments in water: papers vol 0001 : American Chemical Society meeting 1990 vol 0001 : Boston, MA, 22.04.90-27.04.90.
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3
Organic substances and sediments in water vol 0002: processes and analytical : Symposium organic substances and sediments in water: papers vol 0002 : American Chemical Society meeting 1990 vol 0002 : Boston, MA, 22.04.90-27.04.90.
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4
Organic substances and sediments in water vol 0003: biological : Symposium organic substances and sediments in water: papers vol 0003 : American Chemical Society meeting 1990 vol 0003 : Boston, MA, 22.04.90-27.04.90.
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