TY  - JOUR
T1  - An Experiment Illustrating Harmonic Undertones
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 74
SP  - 118
EP  - 120
PY  - 1904/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1904.0092
M3  - doi:10.1098/rspl.1904.0092
AU  - Knapman, H.
ER  -