@Book{RANFE20200004103, title = "Contribuci\'{o}n al estudio del perborato c\'{u}prico", author = "Portillo Moya-Angeler, Ram\'{o}n, 1899-1973", URL = "http://bibliotecavirtual.ranf.com/i18n/consulta/registro.do?id=16805", year = "1930", }