000 00300nam a2200121Ia 4500
008 211126s9999 xx 000 0 und d
082 _a910.285
100 _aC.P.L.O
245 0 _aCONSEPTS AND TECHNIQUES OF GEOGRAPHICS INFORMATION SYSTEM
260 _bP.H.I
365 _b450.00
942 _cBTECH
999 _c168019
_d168019