@misc{indiciae251c70b7131b,
  title = {Membrane Bioreactor With Pressure Cycle},
  author = {Efthymiou, George S. and Shuler, Michael L.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19910000032},
  note = {Source identifier: 19910000032}
}