TY - GEN AU - Javier Bernal AU - Christoph Witzgall C2 - - 6346, National Institute of Standards and Technology, Gaithersburg, MD DA - 1999-06-01 DO - https://doi.org/10.6028/NIST.IR.6346 LA - en PB - - 6346, National Institute of Standards and Technology, Gaithersburg, MD PY - 1999 TI - Triangulation-Based L1-fitting of Terrain Surfaces ER -