TY - BOOK ED - International Humic Substances Society. International Meeting ED - Senesi, N ED - Miano, T. M. TI - Humic substances in the global environmental and implications on human health: proceedings of the 6th International Meeting of the international humic substances society, Monopoli, Italy, 20-25 September, 1992 SN - 0444895930 PY - 1994/// CY - Amsterdam PB - Elsevier KW - Humic acid KW - Derivatives KW - Congresses KW - Analaysis KW - Environmental aspects N1 - Includes bibliographical references and index ER -