Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleObserved Triplication of PKP.AuthorsADAMS, R. D.; RANDALL, M. J.PublicationNature, 1963, Vol 200, Issue 4908, p744ISSN0028-0836Publication typeArticleDOI10.1038/200744a0