@misc{indiciae8615c808959d,
  title = {Design of packed columns for commercial oxygen addition and dissolved nitrogen removal based on effluent criteria},
  author = {Barnaby J. Watten},
  year = {1990},
  doi = {10.1016/0144-8609(90)90023-s},
  url = {https://pubs.usgs.gov/publication/1014917},
  note = {Source identifier: 1014917}
}