00625cam a22001932  4500001001100000005001700011008004100028020001700069040001500086100003000101245010300131250001300234260004900247300001900296650004800315700003400363700003100397852000300428000002438120151217145948.0130910s         xx           000 0 eng d  a0273722595 :  aKABUcKABU1 aHeywood, Ian.@000017027313aAn Introduction to geographical information systems /cIan Heywood, Sarah Cornelius, Steve Carver.  a4th  ed.  aHarlow, England :bPearson Education,c2011.  axxxiv, 446  p. 0aGeographic information systems.@00001696121 aCornelius, Sarsh.@00001702741 aCarver, Steve.@00001702751