Form + communication
Subtitle: way to visualization
By: by Walter Diethelm in collaboration with Marion Diethelm.
Contributors: Diethelm, Marion.
Publisher: ABC Editions
Published: 1974
Place of publication: Zurich
Language: eng
Number of pages: 227
Subjects: Graphic arts -- Technique; Signs and symbols
Notes: Text in English, French and German.

Includes index.