@article{6134,
  author = {Ellen Zweibel and C. Heiles},
  title = {Magnetic fields in galaxies and beyond},
  year = {1997},
  journal = {Nature},
  volume = {385},
  pages = {131-136},
  month = {Sep-01-1997},
  issn = {0028-0836},
  doi = {10.1038/385131a0},
}