1
Humic substances and chemical contaminants : proceedings of a workshop and symposium ... Anaheim, Calif. October 26-27, 1997 /
Book
2
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 /
Book