@Unpublished{K-theory/0941,
  author = 	 {{Zacky Choo, Wajid Mannan, Rubén J. Sánchez-García, and Victor P. Snaith}},
  title = 	 {{Computing Borel’s Regulator I}},
  note = 	 {{Preprint, August 26, 2009, K-theory Preprint Archives, http://www.math.uiuc.edu/K-theory/0941/}}}
}