@misc{indiciaeaa773977be4d,
  title = {Skylab extravehicular activity},
  author = {Schultz, D. C. and Kain, R. R. and Millican, R. S.},
  year = {1974},
  url = {https://ntrs.nasa.gov/citations/19740059321},
  note = {Source identifier: 19740059321}
}