@article{916,
  author = {Ellen Zweibel},
  title = {Cosmic-Ray History and Its Implications for Galactic Magnetic Fields},
  year = {2003},
  journal = {The Astrophysical Journal},
  volume = {587},
  pages = {625-637},
  month = {Aug-04-2004},
  issn = {0004-637X},
  doi = {10.1086/368256},
}