1. 1) H. A. Enge, “Introduction to Nuclear Physics,” Addison-Wesley Pub. (1966, 1969), Chap. 4.
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3. 4) S. Penner, Rev. Sci. Instrum., 32, 150 (1961).
4. 5) H. Wollnik, “Optics of Charged Particles,” Academic Press (1987).