@article{10673,
  author = {Ludwig Oster and W. Sieber},
  title = {Pulsar radiation patterns. IV - Four-frequency study of the single-pulse structure of PSR 0329+54},
  year = {1978},
  journal = {Astronomy and Astrophysics},
  volume = {65},
  pages = {173-177},
  url = {http://adsabs.harvard.edu/full/1978A\%26A....65..173O},
  note = {JILA Pub. 1668},
}