1. Arizona Department of Environmental Quality . 2004 .Time Line for Maricopa County Nonattainment Area State Implementation Plan. Arizona Department of Environmental Quality. Available at ?http://72.14.203.104/search?q=cach:eF8yjEssHDEJ:www.azdeq.gov/environ/air/plan/download/time.pdf+Maricopa+COunty+nonattainment+aria&hl=en&gl=us&ct=clnk&cd=3?.
2. Locally Undesirable Land Uses in Minority Neighborhoods: Disproportionate Siting or Market Dynamics?
3. Robert. Bernstein, 2004 .State of Nevada and Atlanta Area Counties Lead in Housing Growth. U.S. Census Bureau News. Available at ?http://www.census.gov/Press-Release/www/releases/archives/housing/002276.html?.