1. Interaction between the humic acid fraction of soils and certain metallic cations;Khan,1969
2. Coagulation of humic colloids by metal ions;Ong;Soil Sci.,1968
3. Interaction of humic acids with the cations of some metals;Orlov;Dokl. Soil Sci.,1967
4. Humic Substances in the Environment;Schnitzer,1972
5. Flocculation of dissolved organic and inorganic matter during the mixing of river water and seawater;Sholkovitz;Geochim. Cosmochim. Acta,1976