Splitting of Hermitian Forms over Group Rings. C. Riehm; I. Hambleton — 1978 Inventiones mathematicae
Rigidity of certain finite group actions on the complex projective plane. Ib Madsen; I. Hambleton; R. Lee — 1989 Commentarii mathematici Helvetici
Balanced splittings of Semi-free actions of finite groups on homotopy spheres. Douglas R. Anderson; I. Hambleton — 1980 Commentarii mathematici Helvetici