@article{9714,
  author = {P. Wilson and D. Rees and J. Beckers and D. Brown},
  title = {High resolution spectroscopy of the disk chromosphere II. Time Sequence Observations of Ca II H and K Emissions},
  year = {1972},
  journal = {Solar Physics},
  volume = {25},
  pages = {86-97},
  month = {Jan-07-1972},
  issn = {0038-0938},
  url = {http://link.springer.com/10.1007/BF00155746},
  doi = {10.1007/BF00155746},
}