000 00332nam a2200121Ia 4500
008 180721s9999 xx 000 0 und d
100 _a"Yeung, W. & Albert, C.P.L."
245 0 _aConcepts and techniques of Geographical information systems
260 _bPHI Learning Pvt. Ltd
260 _c2002
365 _b295.00
942 _cBK
999 _c141366
_d141366