Christensen,E.R., Kusk,K.O. & Nyholm,N. (2009): Dose-response regressions for algal growth and similar continuous endpoints: Calculation of effective concentrations. Environmental Toxicology and Chemistry, 28, 826-835.
Rygaard,M., Arvin,E. & Binning,P.J. (2009): The valuation of water quality: Effects of mixing different drinking water qualities. Water Research, 43, 1207-1218.