Cita recomanada
Luis Luis, Josep Maria ; Martí, Josep ; Duran i Portas, Miquel ; Andrés, José Luís ; Kirtman, Bernard. (1998). Nuclear relaxation contribution to static and dynamic (infinite frequency approximation) nonlinear optical properties by means of electrical property expansions: Application to HF, CH4, CF4, and SF6. Girona: Universitat. [Consulta: 23 Maig 2013]. Disponible a: http://hdl.handle.net/10256/3238