Citation: Luis Palacios; \'Angeles G. De La Torre; Sebasti\'an Bruque; Jose L. Garc\'ia-Mu\~noz; Santiago Garc\'ia-Granda; Denis Sheptyakov; Miguel A. G. Aranda (2007). Crystal Structures and in-Situ Formation Study of Mayenite Electrides. Inorganic Chemistry, 46, pp. 4167-4176.