1. Singularities of Differentiable Maps, vol. II;Arnold,1988
2. Diffeomorphisms of 1-connected manifolds;Browder;Trans. Amer. Math. Soc.,1967
3. The Kervaire invariant of a framed manifold and its generalization;Browder;Ann. of Math.,1969
4. On the homotopy groups of BPL and PL/O, III;Brumfiel;Michigan Math. J.,1970
5. Branched cyclic coverings;Cappell,1975