作者单位:
Center for Statistical Research and Methodology, U.S. Census Bureau, 4600 Silver Hill Road, Washington, DC 20233, United States
[1]
Office of Research and Development, U.S. Environmental Protection Agency, Washington, DC, United States
[2]
Department of Mathematics and Statistics, University of Maryland, Baltimore County, Baltimore, MD, United States
[3]
发布时间
2013-11-20