. . . . . "DOIs required for collections, e.g. yearly data sets." . . . . . "RSA" . "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCoKFb7LKlXyBB7BUvjFF9bDJNk0WxH3Xerr4H3v/VCiRVshEDl3BZVekbMMmdRe+TOPyc8AOLd9IAL2VfVVD/T0rmCHk7Pw7DQjI96mwyeXhE7f4g0WG5UT5Pxxm0Rzy7IrYnEaaVDs7dkZUt952M6qWlHfTwCQDcXJhZfLiXoMwIDAQAB" . "IXV5QSPNTIjpWqM2lDH1N7eV8XVfoKqsxSnBP+Q+HYTeCvJiaq+9HzDTNUQjfPlMP5PXZrvvwuK3ky7g/9ro/JSf8REqdKkYRURAP06F47pzTG+gKEjsTuo/iaQa+iMe9xQxCbcQ6EBUensOyjiMLQFMWqvFywCXZYXCGIOW0wU=" . . "2022-02-20T13:58:48Z"^^ . . . .