Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleCosmic Ray Isotropy and the Origin Problem.AuthorsSPELLER, R.; THAMBYAHPILLAI, T.; ELLIOT, H.AbstractA study of the cosmic ray muon intensity underground in London has revealed small sidereal variations which can be explained in terms of solar motion.PublicationNature, 1972, Vol 235, Issue 5332, p25ISSN0028-0836Publication typeArticleDOI10.1038/235025a0