TY  - JOUR
T1  - Photometric Observations of the Sun and Sky. 
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 49
SP  - 4
EP  - 11
PY  - 1890/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1890.0061
M3  - doi:10.1098/rspl.1890.0061
AU  - Brennand, W.
ER  -