000 00283nam a2200109Ia 4500
008 190912s9999||||xx |||||||||||||| ||und||
100 _aHeywood,Lan
245 3 _aAn Introduction to Geographical Information Systems
260 _aDelhi
_bMcGraw-Hill
_c2000
300 _a279
942 _cBK
999 _c7434
_d7434