id	author	title	date	pages	extension	mime	words	sentence	flesch	summary	cache	txt
iassist-501	Vardigan, Mary	The DDI Matures: 1997 to the Present	2014	6	.pdf	application/pdf	4956	191	43	Having convened the first DDI Committee two years earlier, ICPSR was the “home” for DDI, providing administrative and substantive support. DDI also rebranded its specifications after the review to give an indication of their scope: DDI 1.X and 2.X became DDI Codebook, while DDI 3.X became DDI Lifecycle.	cache/iassist-501.pdf	txt/iassist-501.txt