1. Kopylov, G.I. and Podgorel’skii, M.I., Yad. Fiz., 1973, vol. 18, p. 336 [Sov. J. Nucl. Phys. (Engl. Transl.), vol. 18, p. 173].
2. Kopylov, G.I., Phys. Lett. B, 1974, vol. 50, p. 472.
3. Alexander, G. et al., Phys. Lett. B, 1999, vol. 452, pp. 159, 107.
4. Afanasiev, S.V. et al., Nucl. Phys. A, 2002, vol. 698, p. 104.
5. Aleev, A.N. et al., EKSChARM Spectrometer, Preprint of JINR, Dubna, 1998, no. R13-98-286.