1. Adams, J.F., Stable Homotopy and Generalised Homology, University of Chicago Press, 1974.
2. Adams, J.F., Infinite Loop Spaces, Annals of Math. Study 90, Princeton University Press, 1978.
3. Arlettaz, D., Torsion classes in the cohomology of congruence subgroups, Math. Proc. Camb. Phil. Soc. 105 (1989), 241–248.
4. Atiyah, M.F., Characters and cohomology of finite groups, Publ. Inst. des Hautes Etudes Sci. 9 (1961), 23–64.
5. Atiyah, M.F., On K-theory and reality, Quart. J. Math. Oxford 17 (1966), 367–86.