=LDR 22 4500 =001 1790 =082 04$a307.76 GRE =100 1\$aGreene, Richard P. =245 10$aExploring the urban community: a GIS approach =260 \\$aUpper Saddle River, N.J. :$bPrentice Hall,$c2006 =650 \0$aReserve =700 1\$aPick, James B. =852 \\$bFreeman Library$h307.76 GRE