1. F.K. Richtmyer, E.H. Kennard, Introduction to Modern Physics, 4th Edition, McGraw-Hill, London, 1947–1950.
2. J.B. Hoag, in: S.A. Korff, D.V. Nostrand (Eds.), Electron and Nuclear Physics, 3rd Edition, revised, New York, 1948–1951.
3. D. Halliday, Introductory Nuclear Physics, Wiley, New York, 1950.
4. E.C. Pollard, W.L. Davidson, Applied Nuclear Physics, 2nd edition, Wiley, New York, 1951.
5. E. Fermi, in: J. Orear, A.H. Rosenfeld, R.A. Schluter (Eds.), Nuclear Physics, revised Edition, Univ. Chicago Press, Chicago, 1950.