@book{1424,
	author = {Whitrow, Gerald James},
	title = {La estructura del universo},
	publisher = {Fondo de Cultura económica},
	year = {1966},
	series = {Breviarios del Fondo de Cultura Económica; v.61.},
	address = {México},
	edition = {3a. ed. en español.},
	note = {Traslation of : The structure of the universe.}
}