Energy levels of germanium, Ge I through Ge XXXII

von Sugar, Jack
Veröffentlicht in Journal of Physical and Chemical Reference Data, Vol. 22, No. 5, 1993 (1993)

Energy levels of zinc, Zn I through Zn XXX

von Sugar, Jack
Veröffentlicht in Journal of Physical and Chemical Reference Data, Vol. 24, No. 6, 1995 (1995)

A compilation of energy levels and wavelenghts for the spectrum of singly-ionized oxygen ( O II)

von Martin, W.C.
Veröffentlicht in Journal of Physical and Chemical Reference Data, Vol. 22, No. 5, 1993 (1993)

Bibliography on atomic energy levels and spectra

von Musgrove, Arlene
Veröffentlicht 1985