@inproceedings{Schwarz2009,
  author    = {Anne Schwarz},
  title     = {To be or not to be? About the copula system in Buli (Gur)},
  booktitle = {Special World Congress of African Linguistics : Special WOCAL 6. - S{\~a}o Paulo, Brazil: 11. - 15.8.2008},
  url       = {http://edoc.hu-berlin.de/docviews/abstract.php?lang=ger\&id=36939},
  year      = {2009},
}