@book{103803,
	author = {Rincón Villalba, Mario Arturo and Vargas Vargas, Wilson Ernesto},
	title = {Planimetria},
	publisher = {: Universidad Distrital Francisco José de Caldas : Ecoe ediciones},
	year = {, 2012 },
	series = {Colección tierra y vida},
	address = {Bogota}
}