@Unpublished{K-theory/0738,
  author = 	 {{Andrea Miller, Stefan Muller-Stach, Sigrid Wortmann, Yi-Hu Yang, and Kang Zuo}},
  title = 	 {{Chow-Kunneth decomposition for universal families over Picard modular surfaces}},
  note = 	 {{Preprint, June 14, 2005, K-theory Preprint Archives, http://www.math.uiuc.edu/K-theory/0738/}}}
}