@misc{indiciaee2e8fec87a79,
  title = {Nonlinear spatial evolution of externally excited instability waves in free shear layers},
  author = {Hultgren, L. S. and Goldstein, M. E.},
  year = {1990},
  url = {https://ntrs.nasa.gov/citations/19910054082},
  note = {Source identifier: 19910054082}
}