Ab~initio and experimental study of the K-shell spectra of s-triazineD. Duflot, K. Sidhoum, J.-P. Flament, A. Giuliani, J. Heinesch and M.-J. Hubin-FranskinEur. Phys. J. D, 35 2 (2005) 239-248DOI: https://doi.org/10.1140/epjd/e2005-00193-6