TY - JOUR T1 - The Monoclinic Double Sulphates Containing Ammonium. Completion of the Double Sulphate Series JF - Philosophical Transactions of the Royal Society of London. Series A, Containing Papers of a Math. or Phys. Character (1896-1934) VL - 216 SP - 1 EP - 62 PY - 1916/01/01/ UR - http://dx.doi.org/10.1098/rsta.1916.0001 M3 - doi:10.1098/rsta.1916.0001 AU - Tutton, A. ER -