00338nam a2200121Ia 4500003000600000005001700006008004100023040002500064082002100089245002800110260005700138300002100195NORSU20240430092901.0240215s9999    xx            000 0 und d  aNORSU-DumcNORSU-Dum  a551.701 G29 2000 0aGIS Education Solutions  bEnvironmental Systems Research Institute, Inc.c2000  a96 pages, 28 cm.