“Natural Filiation. Art. 9.4 CC and the Triumph of the child’s Habitual Residence”. CUADERNOS DE DERECHO TRANSNACIONAL 10, no. 1 (March 8, 2018): 592–600. Accessed December 5, 2025. https://e-revistas.uc3m.es/index.php/CDT/article/view/4140.