TY  - JOUR
T1  - Comparison of Oxygen with the Extra Lines in the Spectra of the Helium Stars, <latex>$\beta $</latex> Crucis, &c.; also Summary of the Spectra of Southern Stars to the <latex>$3\frac{1}{2}$</latex> Magnitude and Their Distribution
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 62
SP  - 417
EP  - 423
PY  - 1897/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1897.0130
M3  - doi:10.1098/rspl.1897.0130
AU  - McClean, F.
ER  -