TY - JOUR T1 - On Pyrophosphoric Acid with the Pyro- and Tetra-Phosphoric Amides JF - Proceedings of the Royal Society of London (1854-1905) VL - 15 SP - 510 EP - 516 PY - 1866/01/01/ UR - http://dx.doi.org/10.1098/rspl.1866.0117 M3 - doi:10.1098/rspl.1866.0117 AU - Gladstone, J. ER -