{{Cite journal| volume = 47| issue = 4| pages = 11–18| last1 = Oms| first1 = C.| last2 = Gromaire| first2 = M.C.| last3 = Chebbo| first3 = G.| title = In situ observation of the water-sediment interface in combined sewers, using endoscopy| journal = Water Science and Technology| date = 2003}}