@misc{indiciaed39006967bdb,
  title = {A Variational Assimilation Method for Satellite and Conventional Data: a Revised Basic Model 2B},
  author = {Achtemeier, Gary L. and Scott, Robert W. and Chen, J.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19920008736},
  note = {Source identifier: 19920008736}
}