000 00319nam a2200121Ia 4500
008 140317s9999 xx 000 0 und d
082 _a910.285
100 _aBernhardsen, Tor
245 _aGeographic information systems: An introduction. 2nd ed.
260 _aNY
_bJohn wiley
_c1999
300 _a372
942 _2ddc
_cBK
999 _c16183
_d16183