@Unpublished{K-theory/0696,
  author = 	 {{Alexander Nenashev}},
  title = 	 {{On the Witt groups of projective bundles and split quadrics geometric reasoning}},
  note = 	 {{Preprint, June 21, 2004, K-theory Preprint Archives, http://www.math.uiuc.edu/K-theory/0696/}}}
}