@article{9865,
  author = {J. Monaghan},
  title = {Multipole Magnetic Fields in Upper-Main Stars},
  year = {1973},
  journal = {The Astrophysical Journal},
  volume = {186},
  pages = {631},
  month = {Jan-12-1973},
  issn = {0004-637X},
  url = {http://adsabs.harvard.edu/full/1973ApJ...186..631M},
  doi = {10.1086/152531},
}