1. Arnheim, R.: Art and Visual Perception: A Psychology of the Creative Eye. University of California Press, Berkeley (1974) (Second Edition: 50th Anniversary Paperback–Illustrated. University Press Group (2004))
2. Brandt, P.A.: Morphologies of Meaning. Aarhus University Press, Aarhus (1995)
3. Brozzoli, C., Farnè, A.: The space representation in brain. In: Bartocci, C., Boi, L.,Sinigaglia, C. (eds): New Trends in Geometry: Their Role in the Natural and Life Sciences, Chapter 7, pp. 136–177. Imperial College Press, London (2011)
4. Bundgaard, P.F.: Toward a cognitive semiotics of the visual artwork—elements of a grammar of intuition. Cogn. Semiot. (Aesthetic Cognition) 5, 42–65 (2009)
5. Caliandro, St.: Morphodynamics in aesthetics. In: Essays on the Singularity of the Work of Art. Springer, Cham (2019)