TY  - JOUR
T1  - On the Arc Spectrum of Scandium
JF  - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934)
VL  - 95
IS  - 672
SP  - 438
EP  - 439
PY  - 1919/06/04/
UR  - http://dx.doi.org/10.1098/rspa.1919.0021
M3  - doi:10.1098/rspa.1919.0021
AU  - Crookes, W.
ER  -