00382nam a2200145Ia 4500003000400000005001700004008004100021020001800062082001900080100002300099245005100122250000800173260004500181300001000226TMU20260608103241.0160921s9999    xx            000 0 und d  a9780199228621  a910.015bBUR-P  aBurrough, Peter A.  aPrinciples of Geographical Information Systems  a1st  bOxford University Pressc2000aNew Delhi  a333p.