Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleFifth International Spectroscopy Colloquium.AuthorsSMITH, D. M.PublicationNature, 1954, Vol 174, Issue 4437, p912ISSN0028-0836Publication typeArticleDOI10.1038/174912a0