title: A chemical structure for humic substances.
authors.affiliation: Fachhochschule Fresenius, Abteilung für Spurenanalyse, W-6200, Wiesbaden, Germany.
authors.forename: H R
authors.initials: HR
authors.lastname: Schulten
authors.affiliation: Fachhochschule Fresenius, Abteilung für Spurenanalyse, W-6200, Wiesbaden, Germany.
authors.forename: B
authors.initials: B
authors.lastname: Plage
authors.affiliation: Land Resource Research Centre, Agriculture Canada, K1A OC6, Ottawa, Ontario, Canada.
authors.forename: M
authors.initials: M
authors.lastname: Schnitzer