@incollection{HartmannZimmermann2007,
  author    = {Katharina Hartmann and Malte Zimmermann},
  title     = {Focus strategies in chadic : the case of tangale revisited},
  booktitle = {Interdisciplinary studies on information structure / Ishihara, S., M. Schmitz and A. Schwarz (eds.) ; Working Papers of the SFB 632, Interdisciplinary studies on information structure ; Vol. 1},
  volume    = {61},
  url       = {http://opus.kobv.de/ubp/volltexte/2006/842/},
  year      = {2007},
}