@misc{indiciaeff48c40708a6,
  title = {Modeling directional thermal radiance from a forest canopy},
  author = {Mcguire, M. J. and Balick, L. K. and Smith, J. A. and Hutchison, B. A.},
  year = {1989},
  url = {https://ntrs.nasa.gov/citations/19890051601},
  note = {Source identifier: 19890051601}
}