Herdeg (Walter, editor) - Graphis Diagrams.

Graphis Diagrams: The Graphic Vizualization  of Abstract Data | Die graphische Visualisierung abstrakter Gegebenheiten | La visualisation graphique de donnees abstraites. Edited by Walter Herdeg. First edition, square 8vo, 24cm, 183 pages, The Graphis Press, Zurich, 1979.

Printed in double column with coloured inserts and illustrations throughout. Laminated boards, titled in blue and black. A fine copy.