@misc{indiciae241d433e686c,
  title = {Variability of the main sequence.},
  author = {E Bollen and J Bax and J G van Dijk and M Koning and J E Bos and C G Kramer and E A van der Velde},
  year = {1993},
  url = {https://pubmed.ncbi.nlm.nih.gov/8258530/},
  note = {Source identifier: 8258530}
}