00321nam a2200133Ia 4500008004100000020001800041041000800059082001600067100002200083245004500105250001000150260001500160300001200175211209s2020    xx            000 0 und d  a9789390185559  aeng  a910.285 CHA  aCHANG, KANG-TSUNG  aINTRODUCTION TO GEOGRAPHIC INFO SYSTEMS   a9 ed.  bMCGHc2020  aXV, 444