R. Sánchez, B. Marín-Santibáñez, J. Pérez-González, F. Rodríguez-González, and H. Dorantes-Rosales, “Rod-like fluorescent halloysite nanotubes-silica composites: a novel colloidal system”, Rev. Mex. Fís., vol. 61, no. 2 Mar-Apr, pp. 117–0, Jan. 2015.