@misc{indiciae18d8999b9c68,
  title = {Estimating slash pine biomass using radar backscatter},
  author = {Hussin, Yousif Ali and Reich, Robin M. and Hoffer, Roger M.},
  year = {1991},
  url = {https://ntrs.nasa.gov/citations/19910057841},
  note = {Source identifier: 19910057841}
}