@book{36459,
	author = {Brandis, Royall. and Sánchez-Real Puyuelo, Adolfo.},
	title = {Principios de Economía / },
	publisher = {Anaya, },
	year = {[1972]},
	series = {Libros económicos-empresariales Anaya},
	address = {Salamanca : }
}