@book {409,
	title = {{\textquotedblleft}The theory of affordances,{\textquotedblright} in Perceiving, Acting, and Knowing. Towards an Ecological Psychology.},
	number = {eds Shaw R., Bransford J},
	year = {1977},
	pages = {127{\textendash}143.},
	publisher = {Hoboken, NJ: John Wiley \& Sons Inc.},
	organization = {Hoboken, NJ: John Wiley \& Sons Inc.},
	author = {Gibson J J,}
}
