title: Humic substances in the environment with an emphasis on freshwater systems.
authors.affiliation: Humboldt University at Berlin, Institute of Biology, Freshwater and Stress Ecology, Arboretum, Späthstr. 80/81, 12437 Berlin, Germany. christian_ew_steinberg@web.de
authors.forename: Christian E W
authors.initials: CE
authors.lastname: Steinberg
mesh_terms: D017753:Ecosystem; D005618:Fresh Water; D006812:Humic Substances
chemical_list: D006812:Humic Substances