@misc{indiciae4c3539e31d4d,
  title = {Time series analysis with missing data Semiannual status report, 1 Jun. - 30 Nov. 1969},
  author = {Smith, W. B.},
  year = {1969},
  url = {https://ntrs.nasa.gov/citations/19700005044},
  note = {Source identifier: 19700005044}
}