http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
gains and losses in comparison with earlier surveys
Accuracy of Demographic and Health Surveys-II demographic data
1 online resource (22 pages) : illustrations.
Albert M. Marckwardt, Shea Oscar Rutstein.
Includes bibliographical references (page 13).