@misc{indiciae9dcf070b9a8f,
  title = {Quantifying forest visibility with spatial data.},
  author = {M G Wing and R Johnson},
  year = {2001},
  doi = {10.1007/s002670010158},
  url = {https://pubmed.ncbi.nlm.nih.gov/11148766/},
  note = {Source identifier: 11148766}
}