@unpublished{FischerSixtusGoebel2015,
  author    = {Fischer, Martin H. and Sixtus, Elena and G{\"o}bel, Silke M.},
  title     = {Commentary: A pointer about grasping numbers},
  series = {Frontiers in psychology},
  volume    = {6},
  journal   = {Frontiers in psychology},
  publisher = {Frontiers Research Foundation},
  address   = {Lausanne},
  doi       = {10.3389/fpsyg.2015.00227},
  pages     = {3},
  year      = {2015},
  language  = {en}
}
@unpublished{BaumannKuegler2015,
  author    = {Baumann, Stefan and K{\"u}gler, Frank},
  title     = {Prosody and information status in typological perspective - Introduction to the Special Issue},
  series = {Lingua : international review of general linguistics},
  volume    = {165},
  journal   = {Lingua : international review of general linguistics},
  publisher = {Elsevier},
  address   = {Amsterdam},
  issn      = {0024-3841},
  doi       = {10.1016/j.lingua.2015.08.001},
  pages     = {179 -- 182},
  year      = {2015},
  language  = {en}
}