Feeding of detritivores in freshwater sediments / José Henriëtte VosComparison of the guidance documents in support of EU risk assessments with those for the derivation of EU water quality standards / J.H. Vos, M.P.M. JanssenOptions for emission control in European legislation in response to the requirements of the water framework directive / J.H. Vos and M.P.M. JanssenOptions in European legislation to reduce water pollution in the Netherlands: cadmium as case study / J.H. Vos, L.R.M. de PoorterFeeding of detritivores in freshwater sediments / José Henriëtte VosEU-wide control measures to reduce pollution from WFD relevant substances : cadmium in The Netherlands / J.H. Vos, S. Lukacs, M.P.M. Janssen