Atomic energy levels : isoelectronic series 3d , 4p[superscript N], 4d[superscript N], 5p[superscript N], 4f[superscript N], 5d[superscript N], 6p[superscript N], and 5f[superscript N] / K.M.S. Saxena, J. Karwowski, and S. Fraga.
Imprint
Edmonton, Alberta : Division of Theoretical Chemistry, Dept. of Chemistry, The University of Alberta, 1976.