00406pab a2200145 454500008004000000100002200040245009700062260000900159300001700168362000800185650001600193700001700209700001600226773001800242180718b2011   xxu||||| |||| 00| 0 eng d  aSparks, Andrea L.  aComparative approaches to measuring food access in urban areas: The case of Portland, Oregon  c2011  ap.1715-1737.  aJun  aFood supply  aLeete, Laura  aBania, Neil  aUrban Studies