 {{Cite journal| volume = 28| issue = 11-12 Tarrytown, NY, United States| pages = 473–480| last1 = Heduit| first1 = A.| last2 = Martin| first2 = B.| last3 = Duchamp| first3 = I.| last4 = Thevenot| first4 = D.R.| title = Comparison of gold and platinum electrode responses in activated sludge| journal = Water Science and Technology| date = 1993}}