Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleNuclear Magnetic Resonance and Electron Spin Resonance.AuthorsINGRAM, D. J. E.PublicationNature, 1956, Vol 178, Issue 4527, p236ISSN0028-0836Publication typeArticleDOI10.1038/178236a0