TY  - JOUR
T1  - On an Electrodynamic Balance
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 32
SP  - 39
EP  - 40
PY  - 1881/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1881.0010
M3  - doi:10.1098/rspl.1881.0010
AU  - Helmholtz, H.
ER  -