@article{AS14,
month={Apr},
year={2014},
issn={0178-2789},
journal={The Visual Computer},
doi={10.1007/s00371-014-0936-3},
title={Optimizing line-of-sight using simplified regular terrains},
url={http://dx.doi.org/10.1007/s00371-014-0936-3},
publisher={Springer Berlin Heidelberg},
keywords={Line-of-sight; Terrain simplification; Multiresolution; Subdivision; Reverse subdivision},
author={Alderson, Troy and Samavati, Faramarz},
pages={1-15},
language={English}
}