K-shell photoabsorption and photoionization of trace elements - II. Isoelectronic sequences with electron number 12 ≤N ≤ 18C. Mendoza, M. A. Bautista, P. Palmeri, P. Quinet, M. C. Witthoeft and T. R. KallmanA&A, 604 (2017) A63DOI: https://doi.org/10.1051/0004-6361/201730724