TY - JOUR T1 - On Some Recent Researches in Solar Physics, and a Law Regulating the Time of Duration of the Sun-Spot Period JF - Proceedings of the Royal Society of London (1854-1905) VL - 20 SP - 82 EP - 87 PY - 1871/01/01/ UR - http://dx.doi.org/10.1098/rspl.1871.0021 M3 - doi:10.1098/rspl.1871.0021 AU - Rue, W. AU - Stewart, B. AU - Loewy, B. ER -