. . . . . "DOIs required for collections, e.g. yearly data sets." . . . . . "RSA" . "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCoKFb7LKlXyBB7BUvjFF9bDJNk0WxH3Xerr4H3v/VCiRVshEDl3BZVekbMMmdRe+TOPyc8AOLd9IAL2VfVVD/T0rmCHk7Pw7DQjI96mwyeXhE7f4g0WG5UT5Pxxm0Rzy7IrYnEaaVDs7dkZUt952M6qWlHfTwCQDcXJhZfLiXoMwIDAQAB" . "c3CAMPRXzbqKfbDF4mdcON3SPjGnoBy8SR6gngaPClrrSJ/AsYoc11UqGP5tq/BEo7M5zBMOXJsybNwnRv0kZFs6JsozZ0OhF6Z5SrggD4/XHs3EhskZ4ucnLbWva5KLd6t3bxHbtIYuj4HbkUk/TujPc1OYblCAmtaiY4ncBZM=" . . "2022-02-19T11:00:32Z"^^ . . . .