Il Nuovo Cimento (1955-1965)March 1957, Volume 5, Issue 3, pp 761–761 | Cite asOn the conservation of nucleonsAuthorsAuthors and affiliationsB. FerrettiLettere Alla RedazioneFirst Online: 15 February 2008Received: 21 February 1957 13 Downloads 2 Citations This is a preview of subscription content, log in to check access.References(1). B. Ferretti:Nuovo Cimento,4, 951 (1956)CrossRefGoogle ScholarCopyright information© Società Italiana di Fisica 1957Authors and AffiliationsB. Ferretti121.CERNGenève2.Istituto di Fisica dell’UniversitaBologna