@misc{indiciae4b7c99ff942e,
  title = {Remote detection of trailing vortices, task 3, modification 3},
  author = {Fridman, J. and Harris, C. and Jelalian, A. and Keene, W. and Meister, K. and Miller, C. and Sonnenschein, C.},
  year = {1971},
  url = {https://ntrs.nasa.gov/citations/19720004726},
  note = {Source identifier: 19720004726}
}