TY  - JOUR
T1  - On the Photographic Spectra of Stars. 
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 30
SP  - 20
EP  - 22
PY  - 1879/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1879.0078
M3  - doi:10.1098/rspl.1879.0078
AU  - Huggins, W.
ER  -