@article{9707,
  author = {A. Toomre and Juri Toomre},
  title = {Galactic Bridges and Tails},
  year = {1972},
  journal = {The Astrophysical Journal},
  volume = {178},
  pages = {623\textendash666},
  month = {Jan-12-1972},
  issn = {0004-637X},
  url = {http://articles.adsabs.harvard.edu/full/1972ApJ...178..623T},
  doi = {10.1086/151823},
}