@book{81403,
	author = {Kroguius, Nikolaï Vladimirovich. and Puig, Agustín.},
	title = {La psicología en ajedrez / },
	publisher = {Martínez Roca, },
	year = {[1971]},
	series = {Colección Escaques ; },
	address = {Barcelon : }
}