00292nam a2200097Ia 4500008004100000100002700041245007600068260003300144260000900177300000800186200302s9999    xx            000 0 und d  aStephen R. J. Sheppard  aVisul Simulation A User's Guide for Architects, Engineers, and Planners  bVan Nostrand Renhold Company  c1989  a215