00382nam a2200109Ia 450000500170000000800410001710000430005824501160010126000310021730000110024865000130025920260328101443.0260328s9999||||xx |||||||||||||| ||und||  aThe American Institute of Graphic Arts 0aSymbol signs :b The System of passenger/pedestrian oriented symbols  /cThe American Institute of Graphic Arts  bVisual Communication Books  a240 p.  aSIMBOLOS