@article{4405,
  author = {A. Maggio and G. Vaiana and B. Haisch and R. Stern and J. Bookbinder and F. Harnden Jr. and R. Rosner},
  title = {Einstein Observatory magnitude-limited X-ray survey of late-type giant and supergiant stars},
  year = {1990},
  journal = {The Astrophysical Journal},
  volume = {348},
  pages = {253},
  month = {Jan-01-1990},
  issn = {0004-637X},
  url = {http://articles.adsabs.harvard.edu/full/1990ApJ...348..253M},
  doi = {10.1086/168234},
}