. . . . . "The DOIs are the best way to permanently identify a given digital object, in a format controlled by the International DOI Foundation. We have an agreement with DataCite and this will guarantee the cross-domain findability. When a DOI is not available, users can specify a persistent internal identifier." . . . . "2021-12-31"^^ . "2021-01-01"^^ . . "RSA" . "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCoKFb7LKlXyBB7BUvjFF9bDJNk0WxH3Xerr4H3v/VCiRVshEDl3BZVekbMMmdRe+TOPyc8AOLd9IAL2VfVVD/T0rmCHk7Pw7DQjI96mwyeXhE7f4g0WG5UT5Pxxm0Rzy7IrYnEaaVDs7dkZUt952M6qWlHfTwCQDcXJhZfLiXoMwIDAQAB" . "m9dvrnkV3c1z+Zi79xrAkmm5i26dPfz52F5axo2HtqQsb4hra7KHLXUX12zqxmulcIJyHvIQP0yqhNzqglCRh5qUBx4dn3CWGVcibFSikbTQg097HOP+BeQw1m+04pW7lQxUjMT7Ul+Mnm//GXbFcoCvoADMVTLJ5K4mB86Xg1U=" . . "2024-01-22T19:37:39Z"^^ . . . .