TY  - JOUR
T1  - Constant-Standard Silver Trial-Plates
JF  - Proceedings of the Royal Society of London (1854-1905)
VL  - 73
SP  - 124
EP  - 127
PY  - 1904/01/01/
UR  - http://dx.doi.org/10.1098/rspl.1904.0021
M3  - doi:10.1098/rspl.1904.0021
AU  - Matthey, E.
ER  -