@conference{4863,
  author = {F. Walter and S. Wolk and F. Vrba and A. Brown},
  title = {The Case for Spots on the Naked T Tauri Star LkCa-7},
  year = {1992},
  url = {http://adsabs.harvard.edu/full/1992ASPC...26..340W},
  note = {JILA Pub. 4760},
}