TY  - JOUR
T1  - On the Variable Intensity of Terrestrial Magnetism, and the Influence of the Aurora Borealis upon It
JF  - Philosophical Transactions of the Royal Society of London (1776-1886)
VL  - 121
SP  - 199
EP  - 207
PY  - 1831/01/01/
UR  - http://dx.doi.org/10.1098/rstl.1831.0012
M3  - doi:10.1098/rstl.1831.0012
AU  - Fox, R.
ER  -