?url_ver=Z39.88-2004&rft_val_fmt=info%3Aofi%2Ffmt%3Akev%3Amtx%3Adissertation&rft.au=Boneschansker%2C+N.A.H.&rft.aufirst=N.A.H.&rft.aulast=Boneschansker&rft.degree=Master&rft.date=2012&rft.title=The+built+environment+as+%E2%80%98shaper%E2%80%99+of+older+adults%E2%80%99+physical+activity+behavior.+A+softGIS+based+case+study+in+a+retirement+community+in+Tempe%2C+Arizona+USA