Atomic data from the IRON project - XXXI. Electron impact excitation of optically allowed and intercombination electric dipole transitions in Fe xii A. M. Binello, H. E. Mason and P. J. StoreyAstron. Astrophys. Suppl. Ser., 131 1 (1998) 153-166DOI: https://doi.org/10.1051/aas:1998426