Gillman, Daniel W., and Martin V. Appel. “The Statistical Metadata Repository: An Electronic Catalog of Survey Descriptions at the U.S. Census Bureau”. IASSIST Quarterly 21, no. 2 (October 31, 1997): 34. Accessed May 17, 2024. https://iassistquarterly.com/index.php/iassist/article/view/719.