title: Advances in humic substances research. A collection of papers from the Third International Meeting of the International of the International Humic Substances Society. Oslo, Norway, 4-8 August 1986.
mesh_terms: D000818:Animals; D006812:Humic Substances; D012987:Soil / Q000032:analysis
chemical_list: D006812:Humic Substances; D012987:Soil