@misc{indiciae4dc05fa21f06,
  title = {Manned earth orbital program in earth sensing.},
  author = {Lowe, D. S. and Macdonald, R. B. and Sattinger, I. J. and Walter, R. K.},
  year = {1966},
  url = {https://ntrs.nasa.gov/citations/19670042343},
  note = {Source identifier: 19670042343}
}