@article{HamannBoersma2005,
  author    = {Silke Hamann and Paul Boersma},
  title     = {The violability of backness in retroflex consonants},
  journal   = {Auch erschienen in: Rutgers Optimality Archive. - New Jersey: 2005, S. 713-1205},
  url       = {http://user.phil-fak.uni-duesseldorf.de/~hamann/BoersmaHamann2005.pdf},
  year      = {2005},
}