@misc{indiciaedc925624f36c,
  title = {A ray tracing model for leaf bidirectional scattering studies},
  author = {Brakke, T. W. and Smith, J. A.},
  year = {1987},
  url = {https://ntrs.nasa.gov/citations/19870065903},
  note = {Source identifier: 19870065903}
}