TY  - JOUR
T1  - On the Ultra-Violet Spectrum of Gadolinium
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 74
SP  - 420
EP  - 422
PY  - 1904/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1904.0138
M3  - doi:10.1098/rspl.1904.0138
AU  - Crookes, W.
ER  -