@misc{indiciae7d999e3cbe18,
  title = {Phugoid oscillations in optimal reentry trajectories},
  author = {Vinh, N. X. and Lin, C. F. and Chern, J. S.},
  year = {1981},
  url = {https://ntrs.nasa.gov/citations/19810050347},
  note = {Source identifier: 19810050347}
}