@misc{156606,
  author = {Christoph Witzgall and Geraldine Cheok and David Gilsinn},
  title = {Terrain Characterization from Ground-Based LADAR},
  year = {2003},
  month = {2003-03-17},
  publisher = {Journal of Research (NIST JRES), National Institute of Standards and Technology, Gaithersburg, MD},
  url = {https://tsapps.nist.gov/publication/get_pdf.cfm?pub_id=50710},
  language = {en},
}