@incollection{Downing2010,
  author    = {Laura J. Downing},
  title     = {Opacity is a matter of representation : Shimakonde vowel harmony and vowel reduction},
  booktitle = {Papers from the linguistics laboratory / Melanie Weirich \& Stefanie Jannedy (ed.), Zentrum f{\"u}r Allgemeine Sprachwissenschaft, Berlin, 2010; ZASPil Vol. 52, S. 159-191},
  volume    = {52},
  url       = {http://www.zas.gwz-berlin.de/1036.html},
  year      = {2010},
}