1. Spectrophotometric determination of chlorophyll a and phaeopigments in ethanol extraction;Arvola;Ann. Bot. Fenn.,1981
2. Reaction mechanisms involved in the influence of algogenic organic matter on flocculation;Bernhardt;Z. Wasser-Abwasser-Forsch.,1985
3. The addition of calcium to reduce the impairment of flocculation by algogenic organic matter;Bernhardt;Z. Wasser-Abwasser-Forsch.,1986
4. Influence of algogenic organic substances on flocculation and filtration;Bernhardt;WISA,1991
5. Direct and indirect inactivation of Microcystis aeruginosa by UV-radiation;Bin Alam;Water Res.,2001