000 00300nam a22001337a 4500
999 _c3343
_d3343
020 _a9788126511389
082 _a910.285
100 _aTor Bernhardsen
245 _aGeographic Information Systems An introduction
250 _a3rd
260 _aNew Delhi
_bWiley
_c2002
300 _a428
942 _cBK