TY  - JOUR
T1  - Atmospherical Radio-Activity in High Latitudes
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 73
SP  - 209
EP  - 216
PY  - 1904/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1904.0032
M3  - doi:10.1098/rspl.1904.0032
AU  - Simpson, G.
ER  -