00472cam a22001457a 4500020001500000082003000015100002200045245004600067260005100113500002000164526003700184650003600221650000900257856006000266 a041528609304a623.893bVERcN-01, P-1291 aVerbyla, David L.10aPractical GIS analysiscDavid L. Verbyla. aLondon ;aNew York :bTaylor & Francis,c2002. aIncludes index. a0b0c0d623_893000000000000_VER 0aGeographic information systems. 0aNUST40uhttp://www.columbia.edu/cgi-bin/cul/resolve?clio7938896