1. Models of the Real Projective Plane;Apéry,1987
2. Extending closed plane curves to immersions of the disk with n handles;Bailey;Trans. Amer. Math. Soc.,1975
3. Computer graphics applications to geometry: “Because light is better over here”;Banchoff,1986
4. Global inequalities for curves and surfaces in three-space;Benedetti;Ann. Mat. Pura Appl.,1989
5. A Topological Picturebook;Francis,1987