@article{5041,
  author = {Robert Fesen and Crystal Martin and J. Shull},
  title = {The synchrotron bays of the Crab Nebula - A magnetic structure associated with a presupernova circumstellar disk},
  year = {1992},
  journal = {The Astrophysical Journal},
  volume = {399},
  pages = {599},
  month = {Jan-11-1992},
  issn = {0004-637X},
  url = {http://adsabs.harvard.edu/full/1992ApJ...399..599F},
  doi = {10.1086/171951},
}