@book{7194,
	author = {Echegaray, José, and Sánchez Ron, José Manuel, and Fundación Banco Exterior.},
	title = {Jose Echegaray / },
	publisher = {Fundación Banco Exterior, },
	year = {D.L. 1990.},
	series = {Biblioteca de la ciencia española ; },
	address = {Madrid : },
	note = {Bibliografia.}
}