Citation: L. Choubrac; A. Lafond; C. Guillot-Deudon; Y. Mo\"elo; S. Jobic (2012). Structure Flexibility of the Cu2ZnSnS4 Absorber in Low-Cost Photovoltaic Cells: From the Stoichiometric to the Copper-Poor Compounds. Inorganic Chemistry, 51, pp. 3346-3348.