@misc{indiciaea8782f62cf99,
  title = {Third Earth Resources Technology Satellite-1 Symposium. Volume 1: Technical Presentations, section A},
  author = {Freden, S. C. and Mercanti, E. P. and Becker, M. A.},
  year = {1974},
  url = {https://ntrs.nasa.gov/citations/19740022592},
  note = {Source identifier: 19740022592}
}