{{Cite journal| volume = 13| issue = 6| pages = 531–540| last1 = Fontvieille| first1 = D.A.| last2 = Outaguerouine| first2 = A.| last3 = Thevenot| first3 = D.R.| title = Fluorescein diacetate hydrolysis as a measure of microbial activity in aquatic systems: Application to activated sludges| journal = Environmental Technology| date = 1992}}