@misc{SchwarzFiedler2010,
  author    = {Schwarz, Anne and Fiedler, Ines},
  title     = {Informationsstruktur oder : Was es in der Grammatik zu entdecken gibt},
  publisher = {Universit{\"a}tsverlag Potsdam},
  address   = {Potsdam},
  isbn      = {978-3-86956-069-4},
  pages     = {DVD : 46,06 Min},
  year      = {2010},
  language  = {de}
}
@misc{Mueller2011,
  author    = {M{\"u}ller, Hans-Georg},
  title     = {The development of spelling skills in writing test an empirical study into class 1 to 4},
  series = {Zeitschrift f{\"u}r Sprachwissenschaft},
  volume    = {30},
  journal   = {Zeitschrift f{\"u}r Sprachwissenschaft},
  number    = {2},
  publisher = {De Gruyter Mouton},
  address   = {Berlin},
  issn      = {0721-9067},
  pages     = {305 -- 309},
  year      = {2011},
  language  = {de}
}