@misc{indiciae55005fe4f031,
  title = {Investigating a physical basis for spectroscopic estimates of leaf nitrogen concentration},
  author = {R.F. Kokaly},
  year = {2001},
  doi = {10.1016/s0034-4257(00)00163-2},
  url = {https://pubs.usgs.gov/publication/70023637},
  note = {Source identifier: 70023637}
}