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3. J. Rigden, I. I. Rabi: Statesman and Scientist (Basic Books, New York, 1997), p. 11
4. O. Frisch, What Little I Remember (Cambridge University Press, Cambridge, 1980)
5. E. Segrè, A Biographical Memoir, Otto Stern (1888–1969) (National Academy of Sciences, Washington, D.C., 1973)