@article{230,
  author = {C.R Duguay and G Holder and E.F LeDrew and P Howarth and D Dudycha},
  title = {A software package for integrating digital elevation models into the digital analysis of remote sensing data},
  year = {1989},
  journal = {Computers and Geosciences},
  volume = {15},
  chapter = {669},
  url = {http://www.sciencedirect.com/science/article/pii/0098300489900757},
}