@misc{indiciae816f0cf0e43d,
  title = {Gross-merchantable timber volume estimation using an airborne lidar system},
  author = {Maclean, G. A. and Krabill, W. B.},
  year = {1986},
  url = {https://ntrs.nasa.gov/citations/19870027902},
  note = {Source identifier: 19870027902}
}