1. Gibson, J.J.: The Senses Considered as Perceptual Systems. Greenwood Press, New York (1983); Originally published 1966 by Houghton Mifflin, Westport
2. Gibson, J.J.: The ecological approach to visual perception, 2nd edn. Lawrence Erlbaum, Hillsdale (1986)
3. Norman, D.A.: The Design of Everyday Things. Basic Books (2002)
4. Warren, W.: Perceiving affordances: Visual guidance of stair climbing. Journal of Experimental Psychology 10(5), 371–383 (1984)
5. Mace, W.L., James, J.: Gibson’s ecological approach: Perceiving what exists. Ethics and the Environment 10(2), 195–215 (2005)