@article{10340,
  author = {Ludwig Oster and W. Sieber},
  title = {Pulsar geometries. III - The hollow-cone model},
  year = {1976},
  journal = {The Astrophysical Journal},
  volume = {210},
  pages = {220},
  month = {Jan-11-1976},
  issn = {0004-637X},
  url = {http://articles.adsabs.harvard.edu/full/1976ApJ...210..220O},
  doi = {10.1086/154820},
}