@Unpublished{K-theory/0942,
  author = 	 {{Niko Naumann and Markus Spitzweck}},
  title = 	 {{Brown representability in A^1-homotopy theory}},
  note = 	 {{Preprint, September 12, 2009, K-theory Preprint Archives, http://www.math.uiuc.edu/K-theory/0942/}}}
}