@Unpublished{K-theory/0070,
  author = 	 {{Grzegorz Banaszak and Wojciech Gajda}},
  title = 	 {{Euler systems for higher K-theory of number fields}},
  note = 	 {{Preprint, May 15, 1995, K-theory Preprint Archives, http://www.math.uiuc.edu/K-theory/0070/}}}
}