DOI                                                                                                  OWNER      DEPOSIT-TIMESTAMP         LAST-UPDATED   CITED-BY-COUNT

10.9789/PROPGPI-07.04.2020                                                                           10.9789    20201215143529726         2020-12-15     0             
10.9789/PROPGPI-28.07.2020                                                                           10.9789    20201217103732971         2020-12-17     0