@book{8713,
	author = {Guzmán, Miguel de},
	title = {Para pensar mejor},
	publisher = {Ediciones Pirámide},
	year = {1995},
	series = {Ciencia hoy},
	address = {Madrid},
	edition = {2ª ed.},
	note = {Contiene índice bibliográfico en p. 345-347}
}