@misc{indiciae6a22ae445584,
  title = {Skylab explores the earth},
  author = {Wilmarth, V. R. and Kaltenbach, J. L. and Lenoir, W. B. and Mcewen, M. C.},
  year = {1975},
  url = {https://ntrs.nasa.gov/citations/19760036363},
  note = {Source identifier: 19760036363}
}