00306nam a2200109Ia 4500008004100000020001800041082001400059100001800073245005400091260004300145300000800188190710s9999    xx            000 0 und d  a81-89200-73-9  a910 Sa98G  aSaxena, Aruna 0aGeographical information systems and spatial data  aBhopalbQuality Publishing Compac2008  a439