00320nam a2200109Ia 4500008004100000022001800041040002500059082001400084100002300098245007000121260001900191240215s9999    xx            000 0 und d  a0 582 06701 4  aNORSU-DumcNORSU-Dum  a551.9/R65  aRollinson, Hugh R. 0aUsing Geographical Data: Evaluation, Presentation, Interpretation  bLongman c1993