. . . . . . . "DOI is a persistent link to the digital object." . "DOI|Digital Object Identifier" . . . . "RSA" . "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCtpcftn7kbe6toJbOTDQaCcCssEFSWqt6J4rZ02w+TfY7/eIOgJZYOlpL6G3AzO2RNmVYWRPSlMiykaFuaRuBitvk1GKfGdprfZbvXwmeOxpqCTRBQX9EnFyQyd+Ra/ajfw/UsG8skeu1xnUEpnQbpgbQYc/fvhJNN0UwEc77mOwIDAQAB" . "SZDpGfht21z+sKKYpjNay/ewuKQoq7o47ilq+KM+8Zlgn8jHSwHhcGLHVBbyf4OECHJF6/mgeLfXsgiiqoivLTwl8O9CYuE9A/4L064YTDs7nUCz/b5///43/ys0EgXLXht1Dn1rdzLlk8P/Nw5jUOEDehlQVcANR4dkqFULtIU=" . . "2022-07-18T10:17:51.252+02:00"^^ . . . . . . . .