Electron excitation cross sections for the 2s22p3 4S0-2s22p3 2D0(FORBIDDEN) and 4S0-2s2p4 4P(RESONANCE) transitions in Oll / M.Zuo,S.J.Smith,A.Chutjian и др., 1994. - 29 p. - Текст : непосредственный.
Multiphoton processes : Proc.of the 4 intern.conf.on multiphoton processes, Boulder(Co), July 13-17, 1987 / Ed.: S. J. Smith, P. L. Knight, 1988. - 365 p. - Текст : непосредственный.