000			00374nam a2200133Ia 4500
008			220217s9999||||xx |||||||||||||| ||und||
020			_a0-07-049552-1
082			_a658.45 CHA
100			_aChang, Kang Tsung _93530
245		0	_aIntroduction to geographic information systems
260			_aTata mcgraw hill _bNew Delhi _c2002
300			_b275
650			_aMANAGEMENT
999			_c172122 _d172122