000 00376nam a2200169Ia 4500
100 _aHeywood, Ian (et al)
080 _a910.285 Hey
526 _dTB
526 _aUG
366 _f20
250 _a3rd ed .
942 _cBK
245 _aAn Introduction to geographical information systems
260 _aPearson
_bNew Delhi
_c2006
300 _axxxvi, 426
546 _aE
999 _c72533
_d72533