@article{7991,
  author = {C. Schrijver and R. Mewe and F. Walter},
  title = {Coronal activity in F-, G-, and K-type stars. II - Coronal structure and rotation},
  year = {1984},
  journal = {Astronomy and Astrophysics},
  volume = {138},
  pages = {258-266},
  url = {http://articles.adsabs.harvard.edu/full/1984A\%26A...138..258S},
  note = {JILA Pub. 2989},
}