@article {1770,
	title = {Cuatro amigos para observar},
	journal = {Educar(NOS)},
	volume = {4},
	number = {16},
	year = {2001},
	month = {oct-dic/2001},
	publisher = {Grupo Milani},
	type = {Herramientas},
	chapter = {13-14},
	address = {Salamanca},
	issn = {1575-197X},
	url = {http://www.amigosmilani.es/?q=node/1766},
	author = {Veredas, Jos{\'e} Luis}
}
