@Unpublished{K-theory/0770,
  author = 	 {{Dominique Arlettaz and Grzegorz Banaszak}},
  title = 	 {{k-invariants for K-theory of curves over global fields}},
  note = 	 {{Preprint, February 14, 2006, K-theory Preprint Archives, http://www.math.uiuc.edu/K-theory/0770/}}}
}