TY  - JOUR
T1  - On Some New Elements in Gadolinite and Samarskite, Detected Spectroscopically
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 40
SP  - 502
EP  - 509
PY  - 1886/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1886.0076
M3  - doi:10.1098/rspl.1886.0076
AU  - Crookes, W.
ER  -