1. K. Wittmaack, Basic aspects of sputter depth profiling, chap. 3 in: D. Briggs, M. P. Seah, eds., Practical Surf. Analysis Vol. 2-Ion and Neutral Spectroscopy, (Wiley, Chichester, UK 1992), pp. 105–175.
2. S. Hofmann, Auger- and X-ray Photoelectron Spectroscopy in Materials Science, Springer Verlag Heidelberg, New York, Dordrecht, London 2013, Chap. 7: quantitative compositional depth profiling, pp. 297–408.
3. ISO 18115-1:2013(E), Surface chemical analysis – vocabulary – part 1: general terms and terms used in spectroscopy, ISO, Geneva, Switzerland, 2013, Available at https://www.iso.org/obp/ui/#iso:std:iso:18115:-1:ed-2:v1:en:sec:5.
4. Depth resolution in sputter profiling revisited;Hofmann;Surf. Interface Anal.,2016
5. From depth resolution to depth resolution function: refinement of the concept for delta layers, single layers and multilayers;Hofmann;Surf. Interface Anal.,1999