TY - JOUR T1 - On the Sun-Spot Period and the Rainfall JF - Proceedings of the Royal Society of London (1854-1905) VL - 22 SP - 469 EP - 473 PY - 1873/01/01/ UR - http://dx.doi.org/10.1098/rspl.1873.0091 M3 - doi:10.1098/rspl.1873.0091 AU - Broun, J. ER -