00743nam0-22002771i-450-99000072984040332120001010000072984FED01000072984(Aleph)000072984FED0100007298420001010d--------km-y0itay50------baitay-------001yyGraphis Diagramsthe Graphic Visualization of Abstract dataZurigoThe Graphis Press1974184 p. ill. 25 cmHerdeg,Walter36656ITUNINARICAUNIMARCBK990000729840403321GRA.DE B 389656FARBCFARBCGraphis diagrams187212UNINAING01