@article{7630,
  author = {B. Bopp and J. Africano and R. Stencel and P. Noah and A. Klimke},
  title = {Observations of active chromosphere stars},
  year = {1983},
  journal = {The Astrophysical Journal},
  volume = {275},
  pages = {691},
  month = {Jan-12-1983},
  issn = {0004-637X},
  url = {http://articles.adsabs.harvard.edu/full/1983ApJ...275..691B},
  doi = {10.1086/161566},
}