@misc{1143756,
  author = {J Bernal and C Witzgall},
  title = {Triangulation-based L1-fitting of terrain surfaces:},
  year = {1999},
  month = {1999-01-01 05:01:00},
  publisher = {, National Institute of Standards and Technology, Gaithersburg, MD},
  doi = {https://doi.org/10.6028/NIST.IR.6346},
  language = {en},
}