@article{11627,
  author = {P. Wilson and P. McIntosh},
  title = {Structure of a sunspot. V: What is the Wilson Effect?},
  year = {1969},
  journal = {Solar Physics},
  volume = {10},
  pages = {370-383},
  month = {1969-12},
  issn = {0038-0938},
  url = {http://link.springer.com/10.1007/BF00145525},
  doi = {10.1007/BF00145525},
}