 {{Cite conference| publisher = International Water Association (IWA)| pages = 145–154| editors = M. Van de Meulen, J.A.E. Ten Veldhuis, R.P.S. Schilperoort (eds.)| last1 = Gromaire| first1 = M.C.| last2 = Saad| first2 = M.| last3 = Chebbo| first3 = G.| title = Settling velocity grading of particle bound pollutants – Evaluation of settling column tests| booktitle = 5th Conference on Sewer Processes and Networks| location = Delft, The Netherlands| date = 2007}}