spectroscopies. See also List of materials analysis methods Arc mapping Ultraviolet photoelectron spectroscopy (UPS, for gases) Photoemission spectroscopy (PES, for solid surfaces) Rydberg ionization spectroscopy X-ray photoelectron spectroscopy References Further readingAn Introduction to Surface Analysis by XPS and AES'', J.F.Watts, J.Wolstenholme, published by Wiley & Sons, 2003, Chichester, UK, "Auger Electron Spectroscopy", J. Wolstenholme, published by Momentum Press, LLC, 2015, New York, (print), 978-1-60650-682-0 (e-book) Electron spectroscopy Surface science