TY  - JOUR
T1  - Report on the Observatory Department for the Year Ending December 31, 1900
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 68
SP  - 421
EP  - 453
PY  - 1901/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1901.0071
M3  - doi:10.1098/rspl.1901.0071
ER  -