@misc{indiciaecd4e06439353,
  title = {Mass unbalance analysis for GP-B rotors},
  author = {Keiser, G. M. and Breakwell, J. V. and Feteih, S.},
  year = {1988},
  url = {https://ntrs.nasa.gov/citations/19880063042},
  note = {Source identifier: 19880063042}
}