000 00295nam a22001217a 4500
020 _a9788190851282
082 _a550.066
_bGUR/GE
100 _aGurugnanam, B
245 _aGeographic information system
260 _aNew Delhi
_bNew India Publishing Agency
_c2009
300 _a194 p
942 _cBK
999 _c13756
_d13756