The International Commemorative Day of the International Year of the Periodic Table. RSEQ. May 2019 24 abr 2019 - 13:42 CETDr. María Vallet-Regí included in the periodic table of relevant chemicals of the International Commemorative Day of the International Year of the Periodic Table of Chemical Elements. Real Sociedad Española de Química, Territorial Section of Castilla-La Mancha. 6 May 2019. Dr. María Vallet-Regí participates in the round table "Chemistry from different perspectives". Commemorative Day of the International Year of the Periodic Table of the Elements. RSEQ. Ciudad Real. May 6, 2019. Galería Imágenes Volver »