@Unpublished{K-theory/0692,
  author = 	 {{Marc Levine}},
  title = 	 {{The Postnikov tower in motivic stable homotopy theory}},
  note = 	 {{Preprint, May 15, 2004, K-theory Preprint Archives, http://www.math.uiuc.edu/K-theory/0692/}}}
}