TY - JOUR T1 - On the Influence of Electric Light upon Vegetation, and on Certain Physical Principles Involved JF - Proceedings of the Royal Society of London (1854-1905) VL - 30 SP - 210 EP - 219 PY - 1879/01/01/ UR - http://dx.doi.org/10.1098/rspl.1879.0108 M3 - doi:10.1098/rspl.1879.0108 AU - Siemens, C. ER -