@Unpublished{K-theory/0862,
  author = 	 {{Michael Spiess  and Takao Yamazaki }},
  title = 	 {{A counterexample to generalizations of the Milnor-Bloch-Kato conjecture }},
  note = 	 {{Preprint, September 7, 2007, K-theory Preprint Archives, http://www.math.uiuc.edu/K-theory/0862/}}}
}