TY - JOUR T1 - On the Bisulphite Compounds of Alizarin-Blue and Coerulin as Sensitisers for Rays of Low Refrangibility JF - Proceedings of the Royal Society of London (1854-1905) VL - 49 SP - 345 EP - 346 PY - 1890/01/01/ UR - http://dx.doi.org/10.1098/rspl.1890.0101 M3 - doi:10.1098/rspl.1890.0101 AU - Higgs, G. ER -