TY  - JOUR
T1  - Observations of Sun-Spot Spectra, 1879-1894
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 57
SP  - 199
EP  - 201
PY  - 1894/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1894.0142
M3  - doi:10.1098/rspl.1894.0142
AU  - Lockyer, J.
ER  -