@book{71137,
	author = {Santiago, Roberto and Santiago, Roberto},
	title = {El empollón, el cabeza cuadrada, el gafotas y el pelmazo},
	publisher = {Grupo SM, },
	year = {1999},
	series = {El Barco de Vapor Naranja},
	address = {[Madrid, España] :},
	url = {https://public.digitaliapublishing.com/a/86128}
}