1. ESCA: Atomic, Molecular and Solid State Structure Studied by Means of Electron Spectroscopy;Siegban,1967
2. Handbook of X-ray Photoelectron Spectroscopy;Wagner,1979
3. Practical Surface Analysis by Auger and X-Ray Photoelectron Spectroscopy;Briggs,1983
4. Fabrication of GaAs Devices;Baca,2005