@misc{indiciaee20c123d80f4,
  title = {Estimating forest biomass and volume using airborne laser data},
  author = {Nelson, Ross and Krabill, William and Tonelli, John},
  year = {1988},
  url = {https://ntrs.nasa.gov/citations/19880043214},
  note = {Source identifier: 19880043214}
}