Humic substances in the global environment and implications on human health : proceedings of the 6th International Meeting of the International Humic Substances Society, Monopoli (Bari), Italy, September 20-25, 1992 /
edited by N. Senesi, T.M. Miano.
- Amsterdam ; New York : Elsevier, 1994.
- xxi, 1368 p. : ill. ; 25 cm.