. . . . . "DOIs required for collections, e.g. yearly data sets." . . . . . "RSA" . "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCoKFb7LKlXyBB7BUvjFF9bDJNk0WxH3Xerr4H3v/VCiRVshEDl3BZVekbMMmdRe+TOPyc8AOLd9IAL2VfVVD/T0rmCHk7Pw7DQjI96mwyeXhE7f4g0WG5UT5Pxxm0Rzy7IrYnEaaVDs7dkZUt952M6qWlHfTwCQDcXJhZfLiXoMwIDAQAB" . "Qzjqeiv52pcQfY/agY0Fj2+jtUdmSByrBI08EaWnPVZ06AMM3WKID3JB8Qj7V9jgG2sVnuhErtf1CtpPQvoFq7OcXgGNr3o7UCxUNEvfW5Qv2ceEwZ7v3o1x6YPlM94FysdeG0JOe/zIEHf/PJ2oL7CTBihF8LZCtCBpvUXUSyM=" . . "2022-02-20T06:24:48Z"^^ . . . .