TY  - JOUR
T1  - On the Measurement of the Atmospheric Electric Potential Gradient and the Earth-Air Current
JF  - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934)
VL  - 80
IS  - 542
SP  - 537
EP  - 547
PY  - 1908/06/20/
UR  - http://dx.doi.org/10.1098/rspa.1908.0048
M3  - doi:10.1098/rspa.1908.0048
AU  - Wilson, C.
ER  -