000			00371nam a2200145Ia 4500
008			231011s9999||||xx |||||||||||||| ||und||
020			_a9780070658981
041			_aeng
082			_a910.285 _bT08 CHA
100			_aChaug, Kang Tsung _914454
245		0	_aIntroduction to geographic systems
250			_a4th ed.
260			_bMcGraw Hill Education _c2008
942			_cBK
999			_c24277 _d24277