TY - JOUR T1 - Researches on the Phosphorus-Bases. --No. III. Phophoretted Ureas JF - Proceedings of the Royal Society of London (1854-1905) VL - 9 SP - 487 EP - 493 PY - 1857/01/01/ UR - http://dx.doi.org/10.1098/rspl.1857.0095 M3 - doi:10.1098/rspl.1857.0095 AU - Hofmann, A. ER -