@article{9858,
  author = {Katharine Gebbie and R. Steinitz},
  title = {A mechanism for the production of light and dark contrasts in radiatively controlled lines},
  year = {1973},
  journal = {Solar Physics},
  volume = {29},
  pages = {3-15},
  month = {Jan-03-1973},
  issn = {0038-0938},
  doi = {10.1007/BF00153434},
}