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 /
International Humic Substances Society.International Meeting(6th :1992 :Monopoli, Italy)
Senesi, N.(Nicola)
Miano, T. M.(Teodoro M.)
Amsterdam ; New York : Elsevier,
1994.
Includes bibliographical references.
Humic acid
Humic acid
Humic acid