Thinking colour three-dimensionally

Peter Roesch, "Ich erstelle eine Art Partitur, ...", in: Farbe räumlich denken. Positionen, Projekte, Potentiale, Kerstin Schultz, Hedwig Wiedemann, Eva Maria Herrmann, Basel 2019, S. 140f
Thinking colour three-dimensionally
Peter Roesch, "I create kind of a score, ...", in: Thinking colour three-dimensionally. Positions, projects, potentials, Kerstin Schultz, Hedwig Wiedemann, Eva Maria Herrmann, Basel, Switzerland 2019, p. 140f