Arrieta, F., B. Figueredo, M. Rosa Brussin, A. Hinchliffe, and H. Soscún. “Theoretical Study of the Structural and Energetic Properties of the Ethane Activation by Single Neutral and Charged Metal Oxides”. Ciencia, Vol. 14, Mar. 2011, http://www.produccioncientifica.luz.edu.ve/index.php/ciencia/article/view/9582.