Susan Schorr, Galina Gurieva, Maxim Guc, Mirjana Dimitrievska, Alejandro Pérez-Rodríguez, Victor Izquierdo-Roca, Claudia S. Schnohr, Juran Kim, William Jo, José Manuel Merino "Point defects, compositional fluctuations, and secondary phases in non-stoichiometric kesterites" Journal of Physics Energy 2, 1, pp. 12002 - 2019 DOI: 10.1088/2515-7655/ab4a25