1. J.F. Adams, Infinite loop spaces, Annals of Mathematics Studies, vol. 90, Princeton University Press, Princeton, NJ, 1978.
2. Stable homotopy and generalised homology, Chicago Lectures in Mathematics;Adams,1995
3. M. Ando, Operations in complex-oriented cohomology theories related to subgroups of formal groups, Ph.D. Thesis, Massachusetts Institute of Technology, 1992.
4. Isogenies of formal group laws and power operations in the cohomology theories En;Ando;Duke Math. J.,1995
5. M. Ando, C.P. French, Discrete torsion for the supersingular orbifold sigma genus, preprint, available at arXiv:math.AT/0308068 v1, 2003.