@Unpublished{K-theory/0781,
  author = 	 {{Jean-Louis Cathelineau}},
  title = 	 {{Homology stability for orthogonal groups over algebraically closed fields}},
  note = 	 {{Preprint, May 4, 2006, K-theory Preprint Archives, http://www.math.uiuc.edu/K-theory/0781/}}}
}