Natural and synthetic iron oxides for hydrogen storage and purification Requies, J. ; Güemez, M. B. ; Perez Gil, S. ; Barrio, V. L. ; Cambra, J. F. ; Izquierdo, U. ; Arias, P. L. Abstract Publication: Journal of Materials Science Pub Date: July 2013 DOI: 10.1007/s10853-013-7377-7 Bibcode: 2013JMatS..48.4813R