@misc{indiciae112de0232e72,
  title = {Automatically classifying Earth features from orbit},
  author = {Holstrom, R. L. and Schappell, R. T. and Tietz, J. C.},
  year = {1980},
  url = {https://ntrs.nasa.gov/citations/19790000493},
  note = {Source identifier: 19790000493}
}