TY  - JOUR
T1  - Preliminary Note on the Photographic Spectrum of Comet b 1881
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 33
SP  - 1
EP  - 3
PY  - 1881/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1881.0060
M3  - doi:10.1098/rspl.1881.0060
AU  - Huggins, W.
ER  -