Pearlman, S. R., Fullerton, D. G., & Brenner, R. C. (1979). Full-scale demonstration of open tank oxygen activated sludge treatment. Municipal Environmental Research Laboratory, Office of Research and Development, U. S. Environmental Protection Agency ; available to the public through the National Technical Information Service.
Chicago-viite (17. p.)Pearlman, Stephen R., Donald G. Fullerton, ja Richard C. Brenner. Full-scale Demonstration of Open Tank Oxygen Activated Sludge Treatment. Cincinnati, Ohio : Springfield, Va.: Municipal Environmental Research Laboratory, Office of Research and Development, U. S. Environmental Protection Agency ; available to the public through the National Technical Information Service, 1979.
MLA-viite (8. p.)Pearlman, Stephen R., et al. Full-scale Demonstration of Open Tank Oxygen Activated Sludge Treatment. Municipal Environmental Research Laboratory, Office of Research and Development, U. S. Environmental Protection Agency ; available to the public through the National Technical Information Service, 1979.