@conference{5965,
  author = {Manuel Güdel and Edward Guinan and S. Skinner},
  title = {ROSAT/ASCA/VLA studies of solar proxies},
  year = {1996},
  url = {http://adsabs.harvard.edu/full/1996rftu.proc...39G},
  note = {JILA Pub. 5545},
}