000			00375nam a2200145Ia 4500
008			220703s9999||||xx |||||||||||||| ||und||
020			_a9780070658981
082			_a910.285 _bCHA/I
100			_aKang-tsung Chang
245		0	_aIntroduction o Geographic Information Systems
250			_a4
260			_aNew Delhi _bMcGraw-Hill Publishers _c2011
300			_a450
942			_cBK
999			_c5001 _d5001