@Unpublished{K-theory/0338,
  author = 	 {{B. Kahn and R. Sujatha}},
  title = 	 {{Unramified cohomology of quadrics, II}},
  note = 	 {{Preprint, March 15, 1999, K-theory Preprint Archives, http://www.math.uiuc.edu/K-theory/0338/}}}
}