@misc{indiciaef8de91e28770, title = {Investigations on the purification of Boston sewage, made at the Sanitary Research Laboratory and Sewage Experiment Station of the Massachusetts Institute of Technology, with a history of the sewage- disposal problem}, author = {C.-E.A. Winslow and Earle Bernard Phelps}, year = {1906}, doi = {10.3133/wsp185}, url = {https://pubs.usgs.gov/publication/wsp185}, note = {Source identifier: wsp185} }