You may also wish to search for items by Kamamoto.
Only one matching reference was found.
Ibuki, T.; Kamamoto, A., Photoabsorption cross section and radiative processes of GeCl4 in the valence region of 6--31 eV, Chem. Phys. Lett., 1996, 260, 1-2, 314, https://doi.org/10.1016/0009-2614(96)00909-8 . [all data]