2026-04-17T16:14:55Zhttps://diposit.ub.edu/server/oai/requestDipòsit Digital de la Universitat de Barcelonahttps://diposit.ub.edu/server/oai/request2.0dipositdigital@ub.edu2006-03-06T12:49:03ZtransientYYYY-MM-DDThh:mm:ssZ oai diposit.ub.edu : oai:diposit.ub.edu:2445/1234