@misc{indiciaeac60cb6cc27a,
  title = {Digital merging of Landsat TM and digitized NHAP data for 1:24 000-scale image mapping.},
  author = {P.S. Chavez},
  year = {1986},
  url = {https://pubs.usgs.gov/publication/70015329},
  note = {Source identifier: 70015329}
}