War artefacts (IMAGE) University of Barcelona Caption The emeritus professor Albert Casas, expert on geological and geophysical prospection and mining research. Credit UNIVERSITY OF BARCELONA Usage Restrictions Credit must be given to the creator. License CC BY 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.