@misc{indiciaecf036c59ef6e,
  title = {The use of integral transforms in the estimation of time variable parameters},
  author = {Crane, D. F. and Lessing, H. C.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19690014410},
  note = {Source identifier: 19690014410}
}