@Unpublished{K-theory/0393,
  author = 	 {{Eric M. Friedlander and Mark E. Walker}},
  title = 	 {{Comparing K-theories for complex varieties}},
  note = 	 {{Preprint, April 3, 2000, K-theory Preprint Archives, http://www.math.uiuc.edu/K-theory/0393/}}}
}