@article{2879,
  author = {Nicholas Featherstone and Bradley Hindman and M. Thompson},
  title = {Ring-analysis flow measurements of sunspot outflows},
  year = {2011},
  journal = {Journal of Physics: Conference Series},
  volume = {271},
  pages = {012002},
  month = {Jan-01-2011},
  url = {http://stacks.iop.org/1742-6596/271/i=1/a=012002?key=crossref.2f62b5ccadf949dd4648027550bc1c29},
  doi = {10.1088/1742-6596/271/1/012002},
}