00521nam a2200181Ia 45000010006000000050017000060070003000230080041000260400025000670410008000920820020001001000024001202450106001442500013002502600042002633000020003056530014003254781820240114003845.0ta090507s2002           g     b000 u 465 u  aCotton College,Assam  a465  a910.2bRa 18 Ge  aRRao, R Ram Mohan . 0aGeographic Information System:Theory & Practice /cR Ram Mohan Rao,Afzal Sharieff.hTextual Documents  a1st ed /  aJaipur :bRawat Publications ,c2002.  a200 p ;c23 cm.  aGeography