TY - JOUR T1 - Monoclinic Double Selenates of the Iron Group JF - Proceedings of the Royal Society of London. Series A, Containing Papers of a Mathematical and Physical Character (1905-1934) VL - 94 IS - 661 SP - 362 EP - 366 PY - 1918/05/01/ UR - http://dx.doi.org/10.1098/rspa.1918.0023 M3 - doi:10.1098/rspa.1918.0023 AU - Tutton, A. ER -