@book{147022,
	author = {Carvajal Martínez, Ricardo León and Giraldo Gómez, Martha Cecilia},
	title = {Título valor electrónico : instrumentos negociables electrónicos},
	publisher = {Señal Editora,},
	year = {1999.},
	address = {Medellín :},
	edition = {1. ed.}
}