@article{ZerbianDowningKuegler2009,
  author    = {Sabine Zerbian and Laura Downing and Frank K{\"u}gler},
  title     = {Introduction : tone and intonation from a typological perspective},
  doi       = {10.1016/j.lingua.2007.10.024},
  url       = {http://www.sciencedirect.com/science/journal/00243841},
  year      = {2009},
}