2024-03-29T08:33:51Zhttp://oai-repositori.upf.edu/oai/requestoai:repositori.upf.edu:10230/252072018-01-24T08:32:07Zcom_10230_20645com_10230_16441col_10230_25206oai:repositori.upf.edu:10230/252302018-01-24T08:13:15Zcom_10230_20645com_10230_16441col_10230_25206oai:repositori.upf.edu:10230/252312018-01-24T08:13:16Zcom_10230_20645com_10230_16441col_10230_25206