Centenarians in the United States, 1990 / [by Constance A. Krach and Victoria A. Velkoff].
Imprint
[Bethesda, Md.?] : U.S. Dept. of Health and Human Services, National Institutes of Health, National Institute on Aging ; Washington, DC : U.S. Dept. of Commerce, Economics and Statistics Administration, U.S. Census Bureau : For sale by Supt. of Docs., U.S. G.P.O., [1999]