1. Albertazzi, L.: Experimental Phenomenology: An Introduction. In: Albertazzi, L. (ed.) Handbook of experimental phenomenology: Visual perception of shape, space and appearance, pp. 1–37. Wiley, Chichester, UK (2013)
2. Claparède, E.: Stereoscopie monoculaire paradoxale. Annales d’Oculistique 132, 465–466 (1904)
3. Koenderink, J.J.: Between Sentience and Sapience. De Clootcrans Press, Trajectum, The Netherlands. Available at: https://gestaltrevision.be/resources/clootcrans) (2019)
4. Euclid (c300BCE). The Optics of Euclid (translated by H. E. Burton). J. Opt. Soc. Am. 35(5), 357–372
5. Alberti L.B.: Della Pittura. In: English: On Painting. Penguin Classics, London, UK (1972, original 1435)