@book{31343,
	author = {Lifshitz, Evgenii Mikhailovich, and Landau, Lev Davidovich,},
	title = {Teoria clásica de los campos},
	publisher = {Reverté,},
	year = {1973.},
	series = {Curso de Física Teórica ;},
	address = {Barcelona :},
	edition = {2. ed.}
}