TY - JOUR T1 - Monoclinic Double Selenates of the Nickel Group JF - Philosophical Transactions of the Royal Society of London. Series A, Containing Papers of a Math. or Phys. Character (1896-1934) VL - 217 SP - 199 EP - 235 PY - 1918/01/01/ UR - http://dx.doi.org/10.1098/rsta.1918.0006 M3 - doi:10.1098/rsta.1918.0006 AU - Tutton, A. ER -