The realms of colour = Die Welt der Farben = Le monde des couleurs - Eranos Conference (1972 : Ascona, Switzerland); Portmann, Adolf, 1897-; Ritsema, Rudolf (Leiden : Brill, 1974)
English, French or German ... with summaries in the other languages.
Includes bibliogr. references.
Keywords: Color -- Psychological aspects -- Congresses