@article{WSG07,
  author      = {Lakin Wecker and
                 Faramarz F. Samavati and
                 Marina L. Gavrilova},
  affiliation = {University of Calgary, 2500 University Drive NW Calgary AB Canada T2N 1N4},
  title       = {Contextual void patching for digital elevation models},
  journal     = {The Visual Computer},
  publisher   = {Springer Berlin / Heidelberg},
  issn        = {0178-2789},      
  volume      = {23},
  issue       = {9-11},
  month       = {Sep},     
  year        = {2007},
  pages       = {881-890},   
  doi         = {http://dx.doi.org/10.1007/s00371-007-0148-1}
}