00909cam a22002774a 450000100090000000300040000900500170001300800410003001000170007102000220008802000260011003500230013604000390015904200080019805000230020608200160022910000210024524501030026625000120036926000650038130000420044650400660048865000360055470000220059070000190061214162751OSt20230621113147.0051031s2006    enka     b    001 0 eng    a  2005056378  a0131293176 (pbk.)  a9780131293175c(pbk.)  a(OCoLC)ocm62282605  aDLCcDLCdBAKERdBWKUKdOCLCQdDLC  apcc00aG70.212b.H49 200600a910.2852221 aHeywood, D. Ian.13aAn introduction to geographical information systems /cIan Heywood, Sarah Cornelius, Steve Carver.  a3rd ed.  aHarlow, England ;aNew York :bPearson Prentice Hall,c2006.  axxxiii, 426 p. :bcol. ill. ;c27 cm.  aIncludes bibliographical references (p. [400]-411) and index. 0aGeographic information systems.1 aCornelius, Sarah.1 aCarver, Steve.