. . . . . "No generic system was available, and because of the ammount of metadata records DOI's are not feasible. Therefore dedicated PID-CDI identifier solution." . . . . "2023-01-17"^^ . "2023-01-16"^^ . . "RSA" . "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCoKFb7LKlXyBB7BUvjFF9bDJNk0WxH3Xerr4H3v/VCiRVshEDl3BZVekbMMmdRe+TOPyc8AOLd9IAL2VfVVD/T0rmCHk7Pw7DQjI96mwyeXhE7f4g0WG5UT5Pxxm0Rzy7IrYnEaaVDs7dkZUt952M6qWlHfTwCQDcXJhZfLiXoMwIDAQAB" . "B/AOIuzZGdgpKUkE7MvqvjRr9NO2Er8vpXfs1K8CkXebAMmE44GktH1M9z3Pq3Blx27HLw6uLFc3QK8DQ6845nwbjMlh5DSC35ASzVu6DtbNTBsnlgpXy4bTNEBtMaNQVjUtHRfCuqjCQMCHirRqgCA/yRYmjApwWwNI7+oXJzQ=" . . "2023-01-16T13:43:40Z"^^ . . . .