@misc{indiciaee1d275a78973,
  title = {Skylab 4 visual observations project report},
  author = {Kaltenbach, J. L. and Lenoir, W. B. and Mcewen, M. C. and Weitenhagen, R. A. and Wilmarth, V. R.},
  year = {1974},
  url = {https://ntrs.nasa.gov/citations/19760009472},
  note = {Source identifier: 19760009472}
}