Hölzer, G.; Fritsch, M.; Deutsch, M.; Härtwig, J.; Förster, E. (1997-12-01). "Kα1,2 and Kβ1,3 x-ray emission lines of the 3d transition metals". Physical Review A. 56 (6): 4554–4568. Bibcode:1997PhRvA..56.4554H. doi:10.1103/PhysRevA.56.4554.
Hölzer, G.; Fritsch, M.; Deutsch, M.; Härtwig, J.; Förster, E. (1997-12-01). "Kα1,2 and Kβ1,3 x-ray emission lines of the 3d transition metals". Physical Review A. 56 (6): 4554–4568. Bibcode:1997PhRvA..56.4554H. doi:10.1103/PhysRevA.56.4554.
Deslattes, R.D.; Kessler Jr, E.G.; Indelicato, P.; Lindroth, E. (2006), "Table 4.2.2.1. K-series reference wavelengths in Å", in Prince, E. (ed.), International Tables for Crystallography, vol. C, International Union of Crystallography, p. 203