{{Cite journal| volume = 47| issue = 4| pages = 35–43| last1 = Rocher| first1 = V.| last2 = Azimi| first2 = S.| last3 = Moilleron| first3 = R.| last4 = Chebbo| first4 = G.| title = Biofilm in combined sewers: wet weather pollution source and/or dry weather pollution indicator?| journal = Water Science and Technology| date = 2003}}