000 00318nam a2200121Ia 4500
008 140317s9999 xx 000 0 und d
082 _a910.285
100 _aDemers, M.N.
245 _aFundamentals of geographic informaiton systems. 4th ed.
260 _aMexico
_bJohn Wiley
_c2009
300 _a443
942 _2ddc
_cBK
999 _c16476
_d16476