00392nam a2200157Ia 45000030006000000050017000060080041000230200015000640400009000790410012000880820019001001000013001192450061001322600033001933000008002260Nust20170105110254.0161124s9999 xx 000 0 und d a1566901758 cIGIS aEnglish a910/.285 bSTR aPat Hohl aGIS data conversion strategies techniques and management aSanta FebOnWord Pressc1998 a411