@Unpublished{K-theory/0875,
  author = 	 {{Bruno Kahn and Marc Levine}},
  title = 	 {{Motives of Azumaya algebras}},
  note = 	 {{Preprint, February 18, 2008, K-theory Preprint Archives, http://www.math.uiuc.edu/K-theory/0875/}}}
}