@misc{indiciaed5b416140e07,
  title = {A method for determining the weak statistical stationarity of a random process},
  author = {Sadeh, W. Z. and Koper, C. A., Jr.},
  year = {1978},
  url = {https://ntrs.nasa.gov/citations/19790029971},
  note = {Source identifier: 19790029971}
}