1. Hybrid materials. Functional properties. From Maya Blue to 21st century materials
2. De Bonampak al Templo Mayor: el azul Maya en Mesoamérica;Reyes-Valerio,1993
3. Maya Blue: Alternative Hypotheses
4. For a review of historical studies on MB, see M. Sánchez del Río, A. Doménech, M.T. Doménech, M.L. Vázquez de Agredos, M. Suarez, E. García. The Maya Blue Pigment, en Developments in Palygorskite-Sepiolite Research –A New Outlook on these Nanomaterials-, Galán, E.; Singer, A. Eds. Elsevier, Ámsterdam, pp. 453–481 and references herein.