TY - JOUR T1 - On the Action of Sulphuric Acid upon Anisic and Salicylic Acids JF - Proceedings of the Royal Society of London (1854-1905) VL - 8 SP - 494 EP - 496 PY - 1856/01/01/ UR - http://dx.doi.org/10.1098/rspl.1856.0128 M3 - doi:10.1098/rspl.1856.0128 AU - Hofmann, A. ER -