Dr. Usue Pérez-López (IMAGE) Elhuyar Fundazioa Caption The author of the Ph.D., Usue Pérez-López. Credit Dr. Usue Pérez-López Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.