@misc{indiciaeb488e8761de3,
  title = {Combining edge-gradient information to improve adaptive discontinuity-preserving smoothing of multispectral images},
  author = {G.P. Lemeshewsky},
  year = {1994},
  doi = {10.3133/ofr94252},
  url = {https://pubs.usgs.gov/publication/ofr94252},
  note = {Source identifier: ofr94252}
}