TY - JOUR T1 - On the Effect of the Presence of Metals and Metalloids upon the Electric Conductivity of Pure Copper. JF - Proceedings of the Royal Society of London (1854-1905) VL - 10 SP - 460 EP - 460 PY - 1859/01/01/ UR - http://dx.doi.org/10.1098/rspl.1859.0085 M3 - doi:10.1098/rspl.1859.0085 AU - Matthiessen, A. AU - Holzmann, M. ER -