@book{22802,
	author = {Grau, Roberto G.},
	title = {Tratado general de ajedrez /},
	publisher = {Sopena Argentina,},
	year = {1952.},
	series = {Nueva Biblioteca de Ajedrez},
	address = {Buenos Aires :},
	edition = {2a ed.},
	note = {Incluye índice.}
}