TY  - JOUR
T1  - On the Spectrum, Visible and Photographic, of the Great Nebula in Orion
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 46
SP  - 40
EP  - 60
PY  - 1889/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1889.0005
M3  - doi:10.1098/rspl.1889.0005
AU  - Huggins, W.
AU  - Huggins, M.
ER  -