TY - JOUR T1 - On the Periodicity in the Electric Touch of Chemical Elements. Preliminary Notice JF - Proceedings of the Royal Society of London (1854-1905) VL - 66 SP - 450 EP - 451 PY - 1899/01/01/ UR - http://dx.doi.org/10.1098/rspl.1899.0123 M3 - doi:10.1098/rspl.1899.0123 AU - Bose, J. ER -