@book{49948,
	author = {Todorov, Tzvetan and Alvarez, Federico},
	title = {Frente al límite},
	publisher = {Siglo Veintiuno Editores},
	year = {2004},
	series = {Teoría},
	address = {México D.F. (México)},
	edition = {2a. Ed.}
}