@misc{indiciae6deae2e7df48,
  title = {Inventory of forest resources (including water) by multi-level sampling},
  author = {Aldrich, R. C. and Dana, R. W. and Roberts, E. H.},
  year = {1977},
  url = {https://ntrs.nasa.gov/citations/19780013579},
  note = {Source identifier: 19780013579}
}