@misc{indiciae42de2aa10049,
  title = {Practical experience with multivariable positivity controllers},
  author = {Slater, Gary L. and Bosse, A. and Zhang, Q.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19910045505},
  note = {Source identifier: 19910045505}
}