1. Models of the Real Projective Plane;Apéry,1987
2. Semi-simplicial resolutions and homology of images and discriminants of mappings;Goryunov,1995
3. Local invariants of mappings of surfaces into 3-space;Goryunov,1996
4. Vanishing cohomology of singularities of mappings;Goryunov;Comp. Math.,1993
5. Classification of map from surfaces to three space;Hobbs,1996