TY - JOUR T1 - On the Relative 'Facility of Production' of Chemical Combinations JF - Proceedings of the Royal Society of London (1854-1905) VL - 27 SP - 51 EP - 56 PY - 1878/01/01/ UR - http://dx.doi.org/10.1098/rspl.1878.0013 M3 - doi:10.1098/rspl.1878.0013 AU - Brodie, B. ER -