00314nam a2200133Ia 4500003000400000005001700004008004100021082001700062100002200079245003800101260002400139260000900163300000800172OSt20200310124914.0200302s9999    xx            000 0 und d  a910.285bSHA  aShivsharan Sharma  aGeographic information technology  bRandom Publications  c2017  a302