@book {2905,
	title = {Arte e Beleza na Est{\'e}tica Medieval},
	year = {2000},
	pages = {200},
	publisher = {Editorial Presen{\c c}a},
	organization = {Editorial Presen{\c c}a},
	edition = {segunda edi{\c c}{\~a}o},
	chapter = {Teoria Cr{\'\i}tica},
	address = {Lisboa},
	isbn = {972-23-2590-6}
}
@book {2951,
	title = {A Defini{\c c}{\~a}o da Arte},
	year = {2008},
	pages = {281},
	publisher = {Edi{\c c}{\~o}es 70},
	organization = {Edi{\c c}{\~o}es 70},
	edition = {13},
	chapter = {Teoria critica},
	address = {Lisboa, Portugal},
	isbn = {9789724412665}
}
