TY  - JOUR
T1  - Further Observations on the Spectrum of the Spontaneous Luminous Radiation of Radium at Ordinary Temperatures
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 72
SP  - 409
EP  - 413
PY  - 1903/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1903.0070
M3  - doi:10.1098/rspl.1903.0070
AU  - Huggins, W.
AU  - Huggins, L.
ER  -