TY  - RPRT
TI  - Triangulation-based L1-fitting of terrain surfaces 
AU  - Bernal, J
AU  - Witzgall, C
PY  - 1999
PB  - National Institute of Standards and Technology
CY  - Gaithersburg, MD
SN  - NIST IR 6346
DO  - 10.6028/NIST.IR.6346
ER  -