1. A. I. Lebedev, Yu. S. Pol’, V. A. Tryasuchev, and V. N. Fetisov, Proc. Lebedev Phys. Inst. 186, 311 (1989).
2. S. Cohen and D. Kurath, Nucl. Phys. 73, 1 (1965).
3. B. Krusche, Eur. Phys. J. Spec. Top. 198, 199 (2011).
4. Crystal Ball Collab. (A. Starostin et al.), Phys. Rev. C 64, 055205 (2001).
5. D. Watts, in Proceedings of the 11th International Conference on Calorimetry in Particle Physics, Perugia, Italy, 2004 (World Scientific, Singapore, 2005), p. 560).