@book{20502,
	author = {Polanco, Maria Magdalena E and Galindo P, Luisa Fernanda},
	title = {Morfometría del Contorno (Borde de la Forma) con Series de Fourier, Paso a Paso /},
	publisher = {Universidad del Tolima,},
	year = {2005.},
	address = {Ibagué :}
}