1. H. Bass: Algebraic K-theory, Benjamin 1968.
2. S. Bloch: K2 and algebraic cycles, these procedings.
3. K. Brown and S. Gersten: Algebraic K-theory as generalized sheaf cohomology, these procedings.
4. C. Chevalley: Les classes d'equivalence rationelle I, Exp. 2, Séminaire Chevalley 1958, Anneaux de Chow et applications, Secrétariat mathématique, Paris.
5. A. Dold and R. Lashof: Principal quasifibrations and fibre homotopy equivalence of bundles, Ill. J. Math. 3 (1959) 285–305.