@book{4161,
	author = {Yurksas, Bronislao},
	title = {Dibujo geométrico y de proyección /},
	publisher = {Ediciones Don Bosco,},
	year = {1998.},
	series = {Paraeducativos},
	address = {Santa Fé de Bogotá :},
	edition = {12.}
}