@book{36973,
	author = {Posada Carbó, Eduardo},
	title = {El desafío de las ideas},
	publisher = {Universidad EAFIT},
	year = {2003},
	address = {Medellín},
	url = {http://www.eafit.edu.co/cultura-eafit/fondo-editorial/colecciones/Paginas/el-desafio-de-las-ideas-ensayos-de-historia.aspx}
}