{{Cite journal| volume = 30| issue = 4| pages = 239–242| last1 = Heduit| first1 = A.| last2 = Martin| first2 = B.| last3 = Thevenot| first3 = D.R.| title = Preliminary-Study of Surface Treatments for Platinum-Electrodes Designed for Oxidation-Reduction Potential Determinations in Activated-Sludge| journal = Water Science and Technology| date = 1994}}