1. Non-commutative geometry;Connes;Publ. Math. IHES,1985
2. The action functional in non-commutative geometry;Connes;Comm. Math. Phys.,1988
3. Particle models and non-commutative geometry;Connes,1989
4. Non-Commutative Geometry;Connes,1994
5. The metric aspect of non-commutative geometry;Connes,1992