@Unpublished{K-theory/0855,
  author = 	 {{Gonçalo Tabuada}},
  title = 	 {{Higher K-theory via universal invariants}},
  note = 	 {{Preprint, June 29, 2007, K-theory Preprint Archives, http://www.math.uiuc.edu/K-theory/0855/}}}
}