000			00289nam a2200097 4500
999			_c337717 _d337717
082			_a910.285 _bBET.G
100			_aBettinger,Peter and Wing ,Michael G.
245			_aGeographic Information Systems _cBettinger,Peter and Wing ,Michael G.
260			_aNew York _c2004 _bMcGraw Hill
942			_cBK