1. G. Almkvist, Endomorphisms of finitely generated projective modules over a commutative ring, to appear.
2. Algebraic K-Theory;Bass,1968
3. Generalizations of the notion of class-group;Claburn;Illinois J. Math.,1968
4. Some exact sequences in algebraic K-theory;Heller;Topology,1965
5. Euler characteristics;Kelley;Pacific J. Math.,1968