TY  - JOUR
T1  - The Spectrum of <latex>$\eta $</latex> Argus
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 68
SP  - 456
EP  - 458
PY  - 1901/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1901.0073
M3  - doi:10.1098/rspl.1901.0073
AU  - Gill, D.
ER  -