@article{8687,
  author = {O. Engvold and T. Ayres and O. Elgaroy and E. Jensen and P. Joras and O. Kjeldseth-Moe and Jeffrey Linsky and H. Schnopper and N. Westergaard},
  title = {Far-ultraviolet and X-ray emission of the long period RS CVn star Sigma Geminorum},
  year = {1987},
  journal = {Astron. Astrophys.},
  volume = {192},
  pages = {234\textendash248},
  issn = {0004-6361)},
  url = {http://adsabs.harvard.edu/full/1988A\%26A...192..234E},
  note = {JILA Pub. 3694},
}