@Unpublished{K-theory/0719,
  author = 	 {{Annette Huber and Bruno Kahn}},
  title = 	 {{The slice filtration and mixed Tate motives}},
  note = 	 {{Preprint, October 14, 2005, K-theory Preprint Archives, http://www.math.uiuc.edu/K-theory/0719/}}}
}