1. This paper is dedicated to Dr. Charles Wagner (Surfex Co.) for his pioneering efforts that have helped many scientists and engineers with their XPS work.
2. SRD-20 X-ray Photoelectron Spectroscopy Database, (version 1.0);Wagner,1989
3. SRD-20 X-ray Photoelectron Spectroscopy Database, (version 2.0);Wagner,1997
4. C.D. Wagner, J.W. Allison, J.R. Rumble, A.V. Naumkin, A. Kraut-Vass, C.J. Powell, X-ray Photoelectron Spectroscopy Database, (version 3.0–4.1), National Institute of Standards and Technology (NIST), Maryland, https://srdata.nist.gov/xps/ 2000–2017, (Accessed 17.05.01).
5. Handbook of X-ray Photoelectron Spectroscopy;Wagner,1979