@Unpublished{K-theory/0579,
  author = 	 {{Bertrand Toen and Gabriele Vezzosi}},
  title = 	 {{Homotopical Algebraic Geometry I Topos theory}},
  note = 	 {{Preprint, July 2, 2002, K-theory Preprint Archives, http://www.math.uiuc.edu/K-theory/0579/}}}
}