Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleJ. A. Le Bel, For.Mem.R.S.AuthorsPOPE, W. J.PublicationNature, 1930, Vol 126, Issue 3175, p374ISSN0028-0836Publication typeArticleDOI10.1038/126374a0