@misc{indiciae96a48b492cdf,
  title = {Semi-centennial of Landsat observations and pending Landsat 9 launch},
  author = {Samuel N. Goward and Jeffery G. Masek and Thomas Loveland and John L. Dwyer and Darrel L. Williams and Terry Arvidson and Laura E.P. Rocchio and James R. Irons},
  year = {2021},
  doi = {10.14358/pers.87.8.533},
  url = {https://pubs.usgs.gov/publication/70249353},
  note = {Source identifier: 70249353}
}