Stark broadening of spectral lines of multicharged ions of astrophysical interest - XVIII. Si XI and Si XIII spectral linesM. S. Dimitrijević and S. Sahal-BréchotAstron. Astrophys. Suppl. Ser., 129 1 (1998) 155-156DOI: https://doi.org/10.1051/aas:1998395