TY - JOUR T1 - A Comparative Crystallographical Study of the Double Selenates of the Series R$_{2}$M(SeO$_{4})_{2}$,6H$_{2}$O.--Salts in Which M Is Zinc. JF - Proceedings of the Royal Society of London (1854-1905) VL - 67 SP - 58 EP - 84 PY - 1900/01/01/ UR - http://dx.doi.org/10.1098/rspl.1900.0002 M3 - doi:10.1098/rspl.1900.0002 AU - Tutton, A. ER -