Key points are not available for this paper at this time.
Journal Article “Wise after the event” Get access Fredk. Rule Fredk. Rule Search for other works by this author on: Oxford Academic Google Scholar Notes and Queries, Volume s5-I, Issue 26, 27 June 1874, Page 514, https://doi.org/10.1093/nq/s5-I.26.514b Published: 27 June 1874
Fredk. Rule (Sat,) studied this question.