@misc{indiciaee68db7a7c08c,
  title = {Lidar Remote Sensing for Characterizing Forest Vegetation - Special Issue. Foreword},
  author = {Popescu, Sorin C. and Nelson, Ross F.},
  year = {2011},
  url = {https://ntrs.nasa.gov/citations/20120010404},
  note = {Source identifier: 20120010404}
}