1. A. Dalgarno, in Atomic and Molecular Processes, Ed. by D. R. Bates (Academic Press, London, New York, 1962).
2. Ya. A. Teplova, V. S. Nikolaev, I. S. Dmitriev, and L. N. Fateeva, Zh. Eksp. Teor. Fiz. 42 (1), 44 (1962).
3. Ya. A. Teplova, Yu. A. Belkova, and O. A. Yuminov, Nucl. Instrum. Methods Phys. Res., Sect. B 230, 73 (2005).
4. Y. A. Belkova, N. V. Novikov, and Y. A. Teplova, Nucl. Instrum. Methods Phys. Res., Sect. B 343, 110 (2015).
5. Yu. A. Belkova, N. V. Novikov, and Ya. A. Teplova, J. Surf. Invest.: X-ray, Synchrotron Neutron Tech. 10 (2), 417 (2016).