@article{DBLP:journals/tgis/Ziadat07,
author = {Feras M. Ziadat},
title = {Effect of Contour Intervals and Grid Cell Size on the Accuracy
of DEMs and Slope Derivatives},
journal = {T. GIS},
volume = {11},
number = {1},
year = {2007},
pages = {67-81},
ee = {http://dx.doi.org/10.1111/j.1467-9671.2007.01033.x},
bibsource = {DBLP, http://dblp.uni-trier.de}
}