@conference{1142,
  author = {J. Lisle and Juri Toomre},
  title = {Cause of shrinking sun effect in local correlation tracking and impacts on the mapping of SSW flows},
  year = {2004},
  journal = {unknown},
  month = {2004-01},
  url = {http://adsabs.harvard.edu/full/2004ESASP.559..556L},
  note = {JILA Pub. 7605},
}