A class of 4-pseudomanifolds similar to the lense spaces. Anna Donati (1987) Aequationes mathematicae
A Loop Theorem for Duality Spaces and Fibred Ribbon Knots. C.McA. Gordon, A.J. Casson (1983) Inventiones mathematicae
A Relative cohomological invariant for group pairs. M.G.C. Andrade, E.L.C. Fanti (1994) Manuscripta mathematica
Actions of Groups with Periodic Cohomology on Poincaré Duality Spaces. Andreas Stieglitz (1978) Mathematische Annalen
An extension of the Loop theorem and resolutions of generalized 3-manifolds with 0-dimensional singular set. T.L. Thickstun (1984) Inventiones mathematicae