00323nam 2200199 4500001000400000003002300004005000900027008004100036082001200077020001800089100001500107260000700122245006200129199StarLibrary Marc Built20180713201711 ||||| |||||||||||amh  a910.285 a9788120322301 aC.P.Lo etc bPHI aConcepts and Techniques of Geographic Information Systems