@misc{indiciae6097e15053f6,
  title = {A Sequential Shifting Algorithm for Variable Rotor Speed Control},
  author = {Litt, Jonathan S. and Edwards, Jason M. and DeCastro, Jonathan A.},
  year = {2007},
  url = {https://ntrs.nasa.gov/citations/20070023675},
  note = {Source identifier: 20070023675}
}