@Unpublished{K-theory/0100,
  author = 	 {{Bruno Kahn, Markus Rost, and R. Sujatha}},
  title = 	 {{Unramified cohomology of quadrics, I}},
  note = 	 {{Preprint, August 29, 1997, K-theory Preprint Archives, http://www.math.uiuc.edu/K-theory/0100/}}}
}