Wolff, Edward, and Ajit Zacharias. “New Look at the Economic Well-Being of the Elderly in the United States, 1989-2001”. Journal of Income Distribution® 18, no. 1 (April 15, 2009): 146. Accessed May 1, 2024. https://jid.journals.yorku.ca/index.php/jid/article/view/22710.