1. Quantum Electrodynamics;Akhiezer,1965
2. Nondipole parameters in angular distributions of electrons in photoionization of noble-gas atoms;Amusia;Phys. Rev. A,2001
3. Lectures in Quantum Mechanics;Baym,1974
4. Berger, M.J., Hubbell, J.H., Seltzer, S.M., Chang, J., Coursey, J.S., Sukumar, R., Zucker, D.S., 2005. XCOM: Photon Cross Sections Database. Technical report, Institute of Standards and Technology, Gaithersburg, MD. Available from 〈http://physics.nist.gov/PhysRefData/Xcom/Text/XCOM.html〉.
5. Quantum Mechanics of One- and Two-Electron Atoms;Bethe,1957