@book{185574,
	author = {Penrose, Roger. and Hawking, Stephen William,},
	title = {Lo grande, lo pequeño y la mente humana},
	publisher = {Cambridge University Press},
	year = {c1999.},
	address = {Madrid},
	edition = {1a ed.},
	note = {Translation of: The large, the small and the human mind, 1997.}
}