{{Cite conference| last1 = Joannis| first1 = C.| last2 = Ruban| first2 = G.| last3 = Gromaire| first3 = Marie-Christine| last4 = Bertrand-Krajewski| first4 = J.L.| last5 = Chebbo| first5 = G.| title = Reproducibility and uncertainty of wastewater turbidity measurements| booktitle = 5th international conference on Sewer Processes and Nteworks (SPN)| location = Delft, Netherlands| date = 2007-08}}