1. Geometría Básica;Abellanas,1969
2. Algorithms in Real Algebraic Geometry;Basu,2003
3. Briand, E., 2006. The configuration of two real projective conics. Applicable Algebra in Engineering, Communication and Computing, in press
4. Algebraic Curves. An Introduction to Algebraic Geometry;Fulton,1969
5. Specialisation de la suite de Sturm et sous-resultants. (I);Gonzalez-Vega;Informatique Theorique et Applications,1990