@book{542706,
	author = {Ballvé, Faustino.},
	title = {Essentials of economics:},
	publisher = {Van Nostrand,},
	year = {[1963]},
	series = {The William Volker Fund series in the humane studies},
	address = {Princeton, N.J.,},
	note = {Translation of Diez lecciones de economia.}
}