@article{kowalski1993,
  author  = {Kowalski, Farhana and Habib, Layla and Liu, Vijay and Kowalski, Elena},
  title   = {Similitude and Model Testing Applied to Activated Sludge Treatment},
  journal = {Open Access Journal of Engineering Applications},
  year    = {1993},
  volume  = {17},
  number  = {2},
  pages   = {126-152},
  issn    = {3105-7004},
  doi     = {10.55555/oajea.1993.1702.007},
  url     = {https://journal.bsaps.com/article/7024}
}