7Chanam Lee,Anne Vernez Moudon.Physical Activity and Environment Research in the Health Field:Implications for Urban and Transportation Planning Practice and Research. Journal of Planning Literature . 2004
8Federal Highway Administrationg.The National Bicycling and Walking Studying Case Study Number1:Reasons Why Bicycling and Walking Are and Are not Being Used More Extensively As Travel Modes. . 1994
9Moudon,AV,Lee,C.Walking and bicycling: An evaluation of environmental audit instruments. American Journal of Health Promotion . 2003
10Frank,LD,Engelke,PO.The built environment and human activity patterns: exploring the impacts of urban form on public health. Journal of Planning Literature . 2001