E.  Kukk, Ayuso, D., Thomas, T. D., Decleva, P., Patanen, M., Argenti, L., Plesiat, E., Palacios, A., Kooser, K., Travnikova, O., Mondal, S., Kimura, M., Sakai, K., Miron, C., Martin, F., and Ueda, K., ?Effects of molecular potential and geometry on atomic core-level photoemission over an extended energy range: The case study of the CO molecule?, Physical Review A, vol. 88, p. 033412, 2013.