1. National Academy of Sciences, Rising Above the Gathering Storm: Energizing and Employing America for a Brighter Economic Future (The National Academies Press, Washington, DC, 2005).
2. U.S. Census Bureau “U.S. Census Bureau news: Texas becomes nation's newest ‘majority-minority’ state ” August 2005.
3. U.S. Census Bureau, U.S. interim projections by age, sex, race, and Hispanic origin (Census Bureau, 2004)March,.
4. “Doctorate recipients from United States universities: Summary report 2003” [National Science Foundation (NSF) Washington DC 2004].
5. “Women minorities and persons with disabilities in science and engineering: 2002” (NSF Washington DC 2003).