TY - JOUR T1 - Monoclinic Double Selenates of the Cobalt Group JF - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934) VL - 96 IS - 675 SP - 156 EP - 184 PY - 1919/09/04/ UR - http://dx.doi.org/10.1098/rspa.1919.0046 M3 - doi:10.1098/rspa.1919.0046 AU - Tutton, A. ER -