@article{9245,
  author = {M. de Kool and Mitchell Begelman},
  title = {Production of self-absorbed synchrotron spectra steeper than ν5/2},
  year = {1989},
  journal = {Nature},
  volume = {338},
  pages = {484-485},
  month = {4/1989},
  issn = {0028-0836},
  doi = {10.1038/338484a0},
}