TY - JOUR T1 - Cloudiness: Note on a Novel Case of Frequency JF - Proceedings of the Royal Society of London (1854-1905) VL - 62 SP - 287 EP - 290 PY - 1897/01/01/ UR - http://dx.doi.org/10.1098/rspl.1897.0111 M3 - doi:10.1098/rspl.1897.0111 AU - Pearson, K. ER -