000			00290nam a22001217a 4500
999			_c338587 _d338587
020			_a9788177587845
082			_a910.285 _bHEY.I
100			_aIan Heywood
245			_aIntroduction to Geographical Information Systems
250			_a2nd
260			_aNewDelhi _bPearson _c2006
942			_cBK