Jönsson, H., Ryde, N., Nissen, P. E., Collet, R., Eriksson, K., Asplund, M., & Gustafsson, B. (2011). Sulphur abundances in halo giants from the [S ı] line at 1082 nm and the [S ı] triplet around 1045 nm. Astronomy & Astrophysics, 530:, pp. 1-13. doi:10.1051/0004-6361/201116855.