@misc{indiciae38fe46a4a859,
  title = {The Orion OB1 association. 1: Stellar content},
  author = {Brown, A. G. A. and De Geus, E. J. and De Zeeuw, P. T.},
  year = {1994},
  url = {https://ntrs.nasa.gov/citations/19950058624},
  note = {Source identifier: 19950058624}
}