@misc{indiciaeac2b94342bdc,
  title = {Classification of multispectral image data by extraction and classification of homogeneous objects},
  author = {Kettig, R. L. and Landgrebe, D. A.},
  year = {1976},
  url = {https://ntrs.nasa.gov/citations/19760033237},
  note = {Source identifier: 19760033237}
}