@book {1927,
	title = {O Impulso aleg{\'o}rico},
	year = {1998},
	pages = {426},
	publisher = {Ediliber Lda.},
	organization = {Ediliber Lda.},
	address = {Lisboa, Portugal },
	keywords = {teor{\'\i}a critica},
	isbn = {978-972-006-292-5},
	author = {Manuel Valente Alves}
}
