1. Pedestrian fatalities by race/ethnicity in Arizona 1990–1996;Campos-Outcalt;Am. J. Prevent. Med.,2002
2. Barriers to children walking and bicycling to school-United States, 1999;Dellinger;Morb. Mort. Weekly,2002
3. Kids Walk-to-School: A Guide to Promote Walking to School;Department of Health Services Centers for Disease Control Preventions,2000
4. Influence of changing travel patterns on child death rates from injury: trend analysis;DiGuiseppi;Br. Med. J.,1997
5. Pedestrian and Bicycle Crash Types of the Early 1990s (FHWA-RD-95-163);Federal Highway Administration,1996