1. W. Barth and M.E. Larsen: On the homotopy-groups of complex projective-algebraic varieties, Math. Scand. (to appear).
2. A. Borel, R. Carter, T. Springer et al.: Seminar on Algebraic Groups and Related Finite Groups. Springer Lecture Notes 131.
3. Vector bundles on the punctured spectrum of a local ring;Horrocks;Proc. Lond. math. Soc.,1964
4. A construction for locally free sheaves;Horrocks;Topology,1968
5. Endliche Gruppen I;Huppert,1967