000			00302nam a2200109 4500
999			_c337577 _d337577
020			_a9780070486782
082			_a910.285 _bCHA.I
100			_aChang,Kang-tsung
245			_aIntroduction to geographic information systems _cChang,Kang-tsung
260			_aNew Delhi _c2003 _bTata Mc Graw Hill
942			_cBK