@book{18627,
	author = {Copernico, Nicolau and Nicolau Copernico},
	title = {As revoluçoes dos orbes celestes.},
	publisher = {Fundaçao Calouste Gulbenkian,},
	year = {1984},
	address = {Lisboa:},
	edition = {2ª Ediçao},
	note = {bib}
}