@misc{indiciae5105722babb2,
  title = {SWITCH program documentation Interim report, 8 Mar. 1969 - 8 Mar. 1970},
  author = {Brown, K. R. and Harrold, E. F.},
  year = {1970},
  url = {https://ntrs.nasa.gov/citations/19700026774},
  note = {Source identifier: 19700026774}
}