. . . . . . . "DDI Codebook is a more light-weight version of the standard, intended primarily to document simple survey data. Originally DTD based. DDI C is also available as an XML Schema." . "DDI-Codebook" . . . "RSA" . "MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCoKFb7LKlXyBB7BUvjFF9bDJNk0WxH3Xerr4H3v/VCiRVshEDl3BZVekbMMmdRe+TOPyc8AOLd9IAL2VfVVD/T0rmCHk7Pw7DQjI96mwyeXhE7f4g0WG5UT5Pxxm0Rzy7IrYnEaaVDs7dkZUt952M6qWlHfTwCQDcXJhZfLiXoMwIDAQAB" . "osT0Y+5wFiJn0VuAYquuxAHo1e/6LvV6liTeXRYSSxTW3KFZEDSJlZb0/duArx8Rquus5cFN+dZj43kDhxPVPcSVxc29oRz0WBXPBgG/wXt9/b1t6W0ZlE6tQPLZcOmuM+c93RdgELzxrGtNYPRHpbiF2OWMPc9jAvBr1eLMI78=" . . "2022-10-09T16:38:07Z"^^ . . . . .