. . . . . "No generic system was available, and because of the ammount of metadata records DOI's are not feasible. Therefore dedicated PID-CDI identifier solution." . . . . "2022-12-31"^^ . "2022-01-01"^^ . . "RSA" . "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCoKFb7LKlXyBB7BUvjFF9bDJNk0WxH3Xerr4H3v/VCiRVshEDl3BZVekbMMmdRe+TOPyc8AOLd9IAL2VfVVD/T0rmCHk7Pw7DQjI96mwyeXhE7f4g0WG5UT5Pxxm0Rzy7IrYnEaaVDs7dkZUt952M6qWlHfTwCQDcXJhZfLiXoMwIDAQAB" . "dWVTo3QCPEk4vw2OC1KjKgc8+12BYlADXmCtVv/gjGweLf67T1sTeORHuJh+UTyYoVT7d+oK9camj3Ft18AnkQBHOeue/eas94p4x59G+1H35ryLYsr95fhQKUTZpUnh/TzqqJzaKs3R3bI4JJfVxIuNHfNFZEHNapsc7C3kDhY=" . . "2024-01-21T11:39:43Z"^^ . . . .