. . . . . "DOIs required for collections, e.g. yearly data sets." . . . . . "RSA" . "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCoKFb7LKlXyBB7BUvjFF9bDJNk0WxH3Xerr4H3v/VCiRVshEDl3BZVekbMMmdRe+TOPyc8AOLd9IAL2VfVVD/T0rmCHk7Pw7DQjI96mwyeXhE7f4g0WG5UT5Pxxm0Rzy7IrYnEaaVDs7dkZUt952M6qWlHfTwCQDcXJhZfLiXoMwIDAQAB" . "daIXjZ9eKkQ1zeBPSSQjeEjlicYMiieqUTuL8pfwL03Yp+uuN7m72PvCHTY6+Qo3gqovXUyv7a1TXVB5TQzCyWoIrNDW2KHPRuNZ1cIhoEBlsdTtP/RUMAnsiqdTAjna9wVgHbIkbPzZdaM5sbJqIl41DVbqOgT7tzU3/IdFLHk=" . . "2022-02-21T09:46:07Z"^^ . . . .